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Opal-A

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About Opal-AHide

Synonym of:
This page provides mineralogical data about Opal-A.


Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Opal-A in petrologyHide

Internet Links for Opal-AHide

Localities for Opal-AHide

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Argentina
 
  • Catamarca Province
    • Belén Department
[Opal var: Opal-AN] Padrón de Minas de la Provincia de Catamarca.
  • Chubut Province
    • Languiñeo Department
[Opal var: Opal-AN] Padrón de Minas de la Provincia de Chubut (2005).
  • Mendoza Province
    • Malargüe Department
      • Altiplano de Payún Matru
[Opal var: Opal-AN] Alfredo Petrov collection
  • Santiago del Estero Province
    • Ojo de Agua department
      • Piedras Blancas
[Opal var: Opal-AN] LEAL, P.R.; CORTONA, O. y PAGAN, F.J.. Vetas de cuarzo en el sur de Santiago del Estero. Rev. Asoc. Geol. Argent. [online]. 2005, vol.60, n.2, pp. 389-401
Australia
 
  • Australian Capital Territory
    • Brindabella Range
      • Cotter River
[Opal var: Opal-AN] McQueen, Ken G.; J. R. Caldwell; P. W. Millsteed (July 1988). "Primary and Secondary Minerals at the Paddy's River Mine, Australian Capital Territory". Australian Mineralogist 3: 83–100.
  • New South Wales
    • Brisbane Co.
[Opal var: Opal-AN] Collection of RJ Martin correlated to similar exposures
    • Buccleuch Co.
      • Coolac district
[Opal var: Opal-AN] Minerals in podiform chromitites - Tumut Serpentinite Province, Southern New South Wales, Graham, Franklin and Marshall, 2001, Australian Journal of Mineralogy 7(1).
    • Finch Co.
[Opal var: Opal-AG] https://www.mindat.org/gallery.php?frm_id=pager&cform_is_valid=1&min=&loc=93&u=&potd=&pco=1&d=&showtype=1&phototype=0&checkall=&filtmin=0&loctxt=&keywords=potch&orderxby=&submit_pager=Filter+Search
    • Gowen Co.
      • Warrumbungle National Park
[Opal var: Opal-AN] Jensen (1912) Proceedings of the Royal Society of Queensland p186
    • Pottinger Co.
[Opal var: Opal-AN] Specimen in collection
    • Yancowinna Co.
      • Broken Hill district
        • Broken Hill
          • Broken Hill South Mine (BHS Mine; South Mine)
[Opal var: Opal-AN] Australian Min. 3:1 (1997)
      • Northern Broken Hill Block
[Opal var: Opal-AN] The Daydream Mine, G.D. Grose, Bungala Press 2002. The reference refers to minerals collected at the mine and identified by John Leach.
  • Queensland
    • Burke Shire
      • Burketown
[Opal var: Opal-AN]
    • Cloncurry Shire
      • Cloncurry
[Opal var: Opal-AN] Graham Lee Collection
      • Rosebud Station
        • Mary Kathleen district
[Opal var: Opal-AN] Personal collection and shown on photo
    • Western Downs Region
      • Dalby
        • Kaimkillenbun
[Opal var: Opal-AN]
  • South Australia
    • Eyre Peninsula
      • Middleback Range
        • Iron Knob
[Opal var: Opal-AN] Minerals of Iron Monarch, Glyn L. Francis
    • Flinders Ranges
      • North Flinders Ranges
[Opal var: Opal-AN] Steve Sorrell Collection; Steve Sorrell Collection
          • Mount Fitton homestead
[Opal var: Opal-AN] Collection of RJ Martin
[Opal var: Opal-AN]
          • Mt Painter area
[Opal var: Opal-AN] 2003, Brugger, J., Ansermet, S. & Pring, A. ' Uranium minerals from Mt Painter, Northern Flinders ranges, South Australia' Australian Journal of Mineralogy, vol. 9, n°1, pp 15-31
        • Vulkathunha - Gammon Ranges National Park
[Opal var: Opal-AN] Pers. Comm. M. Willoughby. Found on specimen with Olivenite. Collection of M. Willoughby.
    • Mt Lofty Ranges
      • North Mt Lofty Ranges
        • Spalding
[Opal var: Opal-AN] Personal collection of M. Willoughby.
    • Northeast
      • Marree
[Opal var: Opal-AN] Collection of M. Willoughby.
    • Olary Province
      • Boolcoomatta Reserve (Boolcoomata Station)
[Opal var: Opal-AN] No reference listed
      • Mt Victor Plumbago Station
[Opal var: Opal-AN] J Bosworth, Minsoc SA 1993 Excursion Report
  • Tasmania
    • Devonport City municipality
      • Devonport district
[Opal var: Opal-AN] http://www.crocoite.com/locationbulletins/part1/zeolites.pdf
    • Northern Midlands municipality
      • Avoca-Royal George district
[Opal var: Opal-AN] Mathew Latham collection
  • Victoria
    • Campaspe Shire
      • Corop
[Opal var: Opal-AN] crocoite.com
    • City of Ballarat
[Opal var: Opal-AN] Steve Sorrell Collection
[Opal var: Opal-AN] Toby Billing collection
    • City of Greater Geelong
      • Anakie
[Opal var: Opal-AN] Museum Victoria Mineralogy Collection
[Opal var: Opal-AN] Museum Victoria Mineralogy Collection
    • City of Hume
[Opal var: Opal-AN] Judy Rowe Collection
    • City of Whittlesea
      • Bundoora
[Opal var: Opal-AN]
    • City of Yarra
      • Collingwood
        • Clifton Hill
[Opal var: Opal-AN] - Birch, W. D., ed. (1989): Zeolites of Victoria. The Mineralogical Society of Victoria Inc., Special Publication No. 2, Melbourne, Australia, pp. 1-30,92,93,97 & 99
    • East Gippsland Shire
      • Benambra
        • Morass Creek gorge
[Opal var: Opal-AN] Steve Sorrell collection
    • Hepburn Shire
[Opal var: Opal-AN] Steve Sorrell Collection
[Opal var: Opal-AN] J.D.Hollis. 1979. Some little known zeolite localities in central Victoria. The Australian Mineralogist No.21 April 1979, pp. 101-102
    • Loddon Shire
      • Brenanah
        • Mount Kooyoora
[Opal var: Opal-AN] Ryan Eagle field collected 2018
[Opal var: Opal-AN] Ryan Eagle personal observation 2016
    • Macedon Ranges
[Opal var: Opal-AN] Judy Rowe Collection
    • Macedon Ranges Shire
      • Malmsbury
[Opal var: Opal-AN] specimen in collection
[Opal var: Opal-AN] ex Joan Lamond Collection
    • Mansfield Shire
      • Mansfield
[Opal var: Opal-AN] W.D.Birch & D.A.Henry 1993. Phosphate Minerals of Victoria. The Mineralogical Society of Victoria special publication No. 3 pp 67-77
    • Rural City of Wangaratta
[Opal var: Opal-AN] Steve Sorrell Collection
      • Greta South
[Opal var: Opal-AN] Birch, W.D. & Henry D.A. (1993) Phosphate Minerals of Victoria. The Mineralogical Society of Victoria - Special publication No.3 (192p) pp.83-90.
    • Southern Grampians Shire
[Opal var: Opal-AN] Jon Mommers collection
    • Swan Hill Rural City
      • Lake Boga
[Opal var: Opal-AN] Steve Sorrell Collection W.D.Birch 1977. Minerals in the pegmatitic phase of the Lake Boga Granite. The Australian Mineralogist No. 10 June/July 1977, pp. 44-46
    • Yarra Ranges Shire
      • Lilydale
[Opal var: Opal-AN] Steve Sorrell Collection
  • Western Australia
    • East Pilbara Shire
      • Weeli Wolli Creek Area
        • Mining Area C (Northern Flank; Packsaddle)
[Opal var: Opal-AN] J M Bennett Collection
    • Northam Shire
      • Northam
[Opal var: Opal-AN] Fetherston, J., Stocklmayer, S., Stocklmayer, V(2013): Gemstones of WA, Geological Survey of WA
    • Perenjori Shire
      • Karara Conservation Reserve
[Opal var: Opal-AN] Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007). Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
    • Yalgoo Shire
      • Paynes Find
[Opal var: Opal-AN] Pegamtites of Western Australia; M Jacobson, M Calderwood, B Grguric; Hesperian Press, Perth, 2007.
Austria
 
  • Burgenland
    • Oberpullendorf District
      • Kobersdorf
        • Pauliberg
[Opal var: Opal-AN] Schebesta, K. (1983) Der Pauliberg - Eine Micromountfundstelle vor den Toren Wiens. Eisenblüte, 4 (10), 8-11.; U. Kolitsch, W. Postl, H.-P. Bojar and W. Trattner (2009): Die Mineralvorkommen im Basalt des Pauliberges. In: Autorenkollektiv (Red. M. A. Götzinger und P. Huber) (2009): Die Mineralien des Burgenlandes - Geologie, Mineralogie und mineralische Rohstoffe. – Wissenschaftliche Arbeiten aus dem Burgenland, Band 126, Amt der Burgenländischen Landesregierung, Abteilung 7 - Landesmuseum, Eisenstadt, 83-99.; Kolitsch, U., Postl, W., Bernhard, F., Bojar, H.-P., Trattner, W. (2019): 2152) Ägirin, Albit, Alunit, Baryt, Calcit, Chalkopyrit, Cordierit, Corkit, Cristobalit, Diopsid, Dolomit, Dravit, Fayalit, Fluorapatit, Gehlenit, Gips, Goethit, Hämatit, Hauyn, Jarosit, Kaolinit, Kupfer, Laihunit(?), Magnesit, Magnetit, Montmorillonit, Mullit, Natroalunit, Natrojarosit, Nephelin, Opal (Hyalit), Plumbojarosit, Phosphohedyphan, Pyrit, Pyromorphit, Pyrrhotin, Quintinit(?), Rhönit, Rutil, Sodalith, Todorokit, Topas, Tridymit und Uricit aus dem Steinbruch am Pauliberg bei Landsee, Burgenland. Pp. 310-319 in Walter, F. et al. (2019): Neue Mineralfunde aus Österreich LXVIII. Carinthia II, 209./129., 237-362.
    • Oberwart District
      • Badersdorf
[Opal var: Opal-AN] Natural History Museum Vienna collection; Götzinger, M. A. & Huber, P. (2009);
[Opal var: Opal-AN] Tuma, F. (1991)
  • Carinthia
    • Klagenfurt am Wörthersee
      • Kreuzbergl massif
        • Falkenberg
[Opal var: Opal-AN] G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Sankt Veit an der Glan District
      • Flattnitz Pass
[Opal var: Opal-AN] G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Villach-Land District
      • Fresach
        • Laas
[Opal var: Opal-AN] G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
    • Wolfsberg District
      • Bad Sankt Leonhard im Lavanttal
        • Mica Mines
[Opal var: Opal-AN] Meixner, H. (1952): Neue Mineralfunde in den österreichischen Ostalpen XII. Carinthia II, 142./62, 27-46.; F. Walter (1984)
      • Frantschach-Sankt Gertraud
        • Brandrücken
[Opal var: Opal-AN]
  • Lower Austria
    • Hollabrunn District
      • Pulkau
        • Leodagger
[Opal var: Opal-AN] C.Auer (2018)
    • Horn District
      • Geras
        • Kottaun
[Opal var: Opal-AN] Kolitsch, U., Knobloch, G., Schillhammer, H. & Löffler, E. (2013): 1814) Aikinit, Albit, Amphibol, Andradit, Azurit, Chalkopyrit, Epidot, Hedenbergit, Hyalith, Magnetit, Malachit, Scheelit, Titanit und Quarz aus einem neuen, kleinen Steinbruch nördlich Kottaun bei Geras, Waldviertel, Niederösterreich. Pp. 127-128 in Niedermayr, G. et al. (2013): Neue Mineralfunde aus Österreich LXII. Carinthia II, 203./123., 91-146.
    • Krems-Land District
      • Maria Laach am Jauerling
        • Zintring
[Opal var: Opal-AN] Harald Schillhammer collection
      • Mühldorf
[Opal var: Opal-AN] peter neschen collection
[Opal var: Opal-AN] peter neschen collection;
[Opal var: Opal-AN] peter neschen collection
[Opal var: Opal-AN] peter neschen collection; ;
    • Waidhofen an der Thaya District
      • Raabs an der Thaya
        • Eibenstein an der Thaya
[Opal var: Opal-AN] Harald Schillhammer collection; Kolitsch, U., Schillhammer, H. & Lamatsch, P. (2015): 1936) Analcim, Axinit-(Fe), Chamosit, Datolith, Gips, Heulandit-Ca, Hyalit, Jarosit, Klinochlor, Klinoptilolith-Ca, Laumontit, Malachit, Molybdänit, Siderit, Sphalerit und Uraninit vom Steinbruch Hengl bei Eibenstein an der Thaya, Waldviertel, Niederösterreich. Pp. 243-245 in Niedermayr, G. et al. (2015): Neue Mineralfunde aus Österreich LXIV. Carinthia II, 205./125., 207-280.
[Opal var: Opal-AN] Kolitsch, U. & Schillhammer, H. (2014): 1881) Amphibol, Apatit, Chabasit, Chlorit, Diopsid, Epidot, Granat, Hamatit, Hyalith, Ilmenit, Limonit, Magnetit, Mikroklin, Pyrit, Quarz, Rutil und Titanit vom Gimpelfeld bei Raabs, Waldviertel, Niederösterreich. P. 116 in Niedermayr, G. et al. (2014): Neue Mineralfunde aus Österreich LXIII. Carinthia II, 204./124., 65-146.
  • Salzburg
    • St. Johann im Pongau District
      • Bad Gastein
        • Böckstein
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
        • Naßfeld valley
          • Kniebeißgraben
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
          • Kreuzkogel massif
            • Radhausberg
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
        • Siglitz - Bockhart gold mining district
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
      • Mühlbach am Hochkönig
        • Mitterberg mining district
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
    • Zell am See District
      • Bramberg am Wildkogel
        • Nasenkopf mountain
          • Leckbachgraben
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs (1989)
      • Mittersill
        • Mittersill Scheelite deposit
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
      • Neukirchen am Großvenediger
        • Abichl Alp - Beryller area
[Opal var: Opal-AN] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
        • Hopffeld area
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs (1989)
      • Uttendorf
        • Enzingerboden
          • Tauernmoos lake
[Opal var: Opal-AN] A. Strasser: Die Minerale Salzburgs, 1989
  • Styria
    • Deutschlandsberg District
      • Deutschlandsberg
[Opal var: Opal-AN] Weninger, H. (1976): Mineral-Fundstellen Band 5: Steiermark und Kärnten. Chr. Weise Verlag, München, 231 pp.
        • Osterwitz
[Opal var: Opal-AN] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
[Opal var: Opal-AN] Koritnig, S. ZB1. f. Min. A,1939
      • Eibiswald
        • Sankt Oswald ob Eibiswald
          • Krumbach
[Opal var: Opal-AN] Meixner, H. (1937) : Neue Mineralfunde in den österreichischen Ostalpen. IX. In : Mitteilungen des Naturwissenschaftlichen Vereines für Steiermark, Band 74, 1937
      • Schwanberg
[Opal var: Opal-AN] Aufschluss 1972(SB), 43-47
[Opal var: Opal-AN] Taucher+Hollerer (2001)
        • Schwarze Sulm
[Opal var: Opal-AN] Weissensteiner, G. (1975) : Uranmineralien der Koralpe. In : Mineralogie Mitteilungen Band 42,Joanneum, Graz, p.27(283).
    • Leibnitz District
      • Oberhaag
        • Lieschengraben
[Opal var: Opal-AN] peter neschen collection
      • Wildon
        • Weitendorf
[Opal var: Opal-AN] Aufschluss 1972(SB), 76-79
    • Südoststeiermark District
      • Bad Gleichenberg
        • Klause
[Opal var: Opal-AN] Aufschluss 1972(SB), 52-55
        • Wilhelmsdorf
[Opal var: Opal-AN] peter neschen collection
      • Feldbach
        • Mühldorf bei Feldbach
[Opal var: Opal-AN] Postl, W., Taucher, J. & Moser, B. (1996): Neue Mineralfunde im oststeirischen Vulkangebiet. Mitt. Abt. Miner. Landesmuseum Joanneum, 60/61, 3-76.
      • Klöch
[Opal var: Opal-AN] R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993)
  • Upper Austria
    • Linz-Land District
      • Enns
[Opal var: Opal-AN] Peter Neschen Collection
      • Traun
        • Pucking
[Opal var: Opal-AN] Niedermayr, G. (1987): 672. Heulandit und Opal vom Traunkraftwerk Pucking, Oberösterrich. Pp. 306-307 in NIEDERMAYR, G., BRANDSTÄTTER, F., MOSER, B. & POSTL, W. (1987): Neue Mineralfunde aus Österreich XXXVI. Carinthia II, 177./97., 283-329.; R. Exel: Die Mineralien und Erzlagerstätten Österreichs (1993); Kolitsch, U. (2015): 1935) Almandin, Aragonit, Baryt, Heulandit-Na, Klinoptilolith-Na, ein Magnesiochromit-Spinell-Mischkristall und Schwefel vom Traunkraftwerk Pucking, Oberösterreich. Pp. 241-243 in Niedermayr, G. et al. (2015): Neue Mineralfunde aus Österreich LXIV. Carinthia II, 205./125., 207-280.
    • Rohrbach District
      • Arnreit
[Opal var: Opal-AN] - Josef Schadler, in:(Handschriftliche Aufzeichnungen).
    • Schärding District
      • Gopperding
[Opal var: Opal-AN] Kolitsch, U. et al. (2008)
    • Steyr-Land District
      • St. Ulrich bei Steyr
[Opal var: Opal-AN] Peter Neschen Collection
Belgium
 
  • Wallonia
    • Hainaut
      • La Louvière
        • Strépy-Bracquegnies
[Opal var: Opal-AG] Les minéraux de Belgique - Page 267 books.google.be/books?id=PncLAQAAIAAJ Joseph Mélon, ‎Pol Bourguignon, ‎André Mathieu Fransolet - 1976 - ‎Extraits -
Bolivia
 
  • La Paz
    • Loayza Province
      • Sapahaqui
        • Caracato
[Opal var: Opal-AN] Ahlfeld, F. & Muñoz-Reyes, J. (1955) Las Especies Minerales de Bolivia
  • Potosí
    • Antonio Quijarro Province
      • Tomave
[Opal var: Opal-AN] Salomon Rivas y Federico Ahlfeld (1998) Los Minerales de Bolivia y sus Parajes. p. 535 (Santa Cruz)
    • Chayanta Province
      • Macha area
[Opal var: Opal-AN] Federico Ahlfeld and Jorge Muñoz Reyes (1955) Las Especies Minerales de Bolivia. (Banco Minero de Bolivia, 180 pp)
[Opal var: Opal-AN] Federico Ahlfeld and Jorge Muñoz Reyes (1955) Las Especies Minerales de Bolivia. (Banco Minero de Bolivia, 180 pp)
    • Daniel Campos Province
      • San Pablo de Napa
[Opal var: Opal-AN] Alfredo Petrov collection
Brazil
 
  • Bahia
    • Guajeru
[Opal var: Opal-AN] Mineralogical Record (1977) 8:382-387
  • Minas Gerais
    • Galiléia
      • Laranjeiras
[Opal var: Opal-AN] [MinRec 32:411]
      • Sapucaia do Norte
[Opal var: Opal-AN] Cassedanne, J.P. & Baptista, A. (1999): Famous Mineral Localities: The Sapucaia Pegmatite Minas Gerais, Brazil. Mineralogical Record, 30: 347-360 + 365.
    • Itinga
[Opal var: Opal-AN] Luiz Menezes
  • Paraíba
    • Borborema mineral province
      • Salgadinho
        • São José da Batalha
[Opal var: Opal-AN] de Brito Barreto, S., & Bretas Bittar, S. M. (2010). Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140.
  • Rio Grande do Norte
    • Borborema mineral province
      • Parelhas
[Opal var: Opal-AN] de Brito Barreto, S., & Bretas Bittar, S. M. (2010). Los depósitos de gemas de Brasil: localización, producción e impacto económico. Boletín de la Sociedad Geológica Mexicana, 62(1), 123-140.
  • Santa Catarina
[Opal var: Opal-AN] Manfred Bergmann (2009) Lapis, 34, #3, 30-34.
  • São Paulo
    • Serrana
[Opal var: Opal-AN] Ruiz, M. (2001). Zeólitas em amígdalas do basalto das cidades de Araraquara e Serrana-São Paulo.
Bulgaria
 
  • Haskovo Province
    • Mineralni Bani Municipality
[Opal var: Opal-AN] Marcus Voigt Collection
Cambodia
 
  • Kâmpóng Thum Province (Kampong Thom Province)
[Opal var: Opal-AN] Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN.
  • Stung Treng Province
    • Khone district
[Opal var: Opal-AN] Economic and Social Commission for Asia and the Pacific (1993) Atlas of Mineral Resources for the Escap Region Cambodia Vol 10 UN.
Canada
 
  • Ontario
    • Renfrew County
      • Lyndoch Township
[Opal var: Opal-AN] ontariominerals.com
China
 
  • Fujian
    • Zhangzhou
      • Yunxiao Co.
        • Tongbei
[Opal var: Opal-AN] C. Lemanski, Jr. and Ottens, B., 2005. Tongbei. Spessartine localities, Fujian Province, China. Mineralogical Record, 36 (1): 35-43
  • Xinjiang
    • Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture)
      • Xinyuan Co. (Künes Co.)
        • Tu'ergen
[Opal var: Opal-AN] Wuhan Huaze Science & Technology Development Co. Ltd., 2007
Colombia
 
  • Boyacá Department
    • Chivor Municipality
[Opal var: Opal-AN] Emeralds of the World English extraLapis Vol. 2 2002 pp36-45
Czech Republic
 
  • Karlovy Vary Region
    • Karlovy Vary District
      • Doupov (Duppau)
[Opal var: Opal-AN] No reference listed
  • South Bohemian Region
    • Písek District
[Opal var: Opal-AN] Cícha J., Sejkora J.: Vanadový wavellit, variscit a další fosfáty z grafitických kvarcitů v Čížové u Písku. Minerál, 2011, 19, 1, 23-32.
  • Ústí nad Labem Region
    • Ústí nad Labem District
[Opal var: Opal-AN]
[Opal var: Opal-AN] www.geocities.com/Smula.geo
      • Řehlovice
        • Radejčín (Radzein)
[Opal var: Opal-AN] Radoň M. Významné mineralogické lokality Českého středohoří. Minerál 2009, XVII(2):106-126.
[Opal var: Opal-AN]
Ethiopia
 
  • Southern Nations Nationalities and Peoples' Region
[Opal var: Opal-AN] (Rock Currier collection)
France
 
  • Auvergne-Rhône-Alpes
    • Cantal
      • Saint-Flour
        • Faverolles
[Opal var: Opal-AN] Robin Fialip
    • Haute-Loire
      • Le Puy-en-Velay
        • Ceyssac
[Opal var: Opal-AN] Collected by Stéphane Jamon
      • Mazeyrat-d'Allier
[Opal var: Opal-AN] Pierre Le Roch collection
      • Pradelles
        • Landos
[Opal var: Opal-AN] Aufschluss 1974(3), 193-197
    • Loire
      • Châtelneuf
[Opal var: Opal-AN] Anthony Geneyton Collection
    • Puy-de-Dôme
[Opal var: Opal-AG]
      • Saint-Babel
[Opal var: Opal-AN] Barrier, D., Devolle, J.-C., Médard, P, Naud, E. Naud & Pourtier, G. (2009): Si l'amesite m'était Comté... ou pas d'haüyne à Prudeux, Le Cahier des Micromonteurs, 103, 3-8.
  • Nouvelle-Aquitaine
    • Corrèze
      • Meymac
[Opal var: Opal-AN] Ansermet, S., Cuchet, S. & Meisser, N. (2010): Minéralogie de la mine de La grange, Meymac, Corrèze. Le Règne Minéral, 91: 23-31
  • Occitanie
    • Gard
      • Alzon
[Opal var: Opal-AN] Patrice Queneau Collection
    • Pyrénées-Orientales
      • Mosset
[Opal var: Opal-AN] Remy, P., Gatel, P., Meisser, N. (2014): Indice à terres rares de Mosset (Pyrénées-Orientales). Le Cahier des Micromonteurs, 1-2014, 3-17.
  • Provence-Alpes-Côte d'Azur
    • Var
      • Saint Raphael
        • Agay
[Opal var: Opal-AN] MAURY (S), 2016 - Les indices minéralogiques de l'Estérel, 2ème partie. Le Cahier des Micromonteurs, n°132 (2-2016), pp 5-27
  • Réunion
    • Saint-Paul
[Opal var: Opal-AN] collection Joachim Esche
Germany
 
  • Baden-Württemberg
    • Freiburg
      • Breisgau-Hochschwarzwald
        • Badenweiler
          • Schweighof
[Opal var: Opal-AN] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Bötzingen
[Opal var: Opal-AN] Fricke, G., (1988): Der Kaiserstuhl und seine Minerale, Der Aufschluss, Vol. 39(2), 74-76
[Opal var: Opal-AN] K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Ihringen
[Opal var: Opal-AN] Aufschluss 1988(2), 76
        • Vogtsburg im Kaiserstuhl
          • Burkheim
[Opal var: Opal-AN] No reference listed
          • Oberrotweil
[Opal var: Opal-AN] Fricke, G., (1988): Der Kaiserstuhl und seine Minerale, Der Aufschluss, Vol. 39(2), 74-76
      • Emmendingen
        • Sasbach am Kaiserstuhl
[Opal var: Opal-AN] Bega photo
[Opal var: Opal-AN] No reference listed
      • Freiburg im Breisgau
        • North field
[Opal var: Opal-AN] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Lörrach
        • Malsburg-Marzell
[Opal var: Opal-AN] Brill, A. R. (2011): Die Malsburger Granitsteinbrüche bei Kandern im südwestlichen Schwarzwald. Lapis 36 (7-8), 43-51; 70.
        • Schönau im Schwarzwald
[Opal var: Opal-AN] K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
        • Todtnau
[Opal var: Opal-AN] http://www.mineralienatlas.de/lexikon/index.php/Deutschland/Baden-W%FCrttemberg/Schwarzwald/Todtnau/Lisb%FChl
      • Ortenaukreis
        • Haslach im Kinzigtal
          • Schnellingen
[Opal var: Opal-AN] Wittern: "Mineralfundorte in Deutschland", 2001; Schmeltzer, H. (1993): Die Grube Segen Gottes bei Schnellingen - ein polymetallisches Mineralvorkommen. Der Erzgräber, 7 (2), 34-35.
        • Hornberg
[Opal var: Opal-AN] Lapis 23(12), 45 (1998)
        • Oberwolfach
[Opal var: Opal-AN] Walenta, K. (1992): Die Mineralien des Schwarzwaldes. Chr. Weise Verlag, München, 336 pp. (in German)
      • Waldshut
        • Detzeln
[Opal var: Opal-AN] Hess, E., Graeser, S. & Gabriel, W. (2011): Das Porphyrwerk Detzeln im Steinatal und seine Mineralien. Lapis 36 (4), 25-35; 54.
        • St Blasien
          • Menzenschwand
            • Vorderdorf
[Opal var: Opal-AN] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Karlsruhe
      • Freudenstadt
        • Bad Rippoldsau-Schapbach
          • Wildschapbach valley
[Opal var: Opal-AN] K. Walenta: "Die Mineralien des Schwarzwaldes", Weise (Munich), 1992
      • Rhein-Neckar-Kreis
        • Schriesheim
          • Ursenbach
[Opal var: Opal-AN] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
  • Bavaria
    • Franconian Forest
      • Hof
        • Joditz
[Opal var: Opal-AN] F. Müller: "Bayerns steinreiche Ecke", 2nd ed., Oberfränkische Verlagsanstalt und Druckerei GmbH (Hof), 1984
    • Lower Bavaria
      • Freyung-Grafenau
        • Röhrnbach
[Opal var: Opal-AN] Habel, M. (2009): Der Granodioritbruch der Fa. Josef Uhrmann OHG, Steinerleinbach bei Röhrnbach. Mineralien-Welt 20 (2), 66-86.
      • Passau District
        • Untergriesbach
          • Kropfmühl-Untergriesbach graphite mining district
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
          • Kropfmühl
[Opal var: Opal-AN] Mineralien-Welt 18 (5) (2007) 20-26.
    • Lower Franconia
      • Haßberge
        • Maroldsweisach
[Opal var: Opal-AN] Wittern: "Mineralfundorte in Deutschland", 2001
    • Upper Franconia
      • Hof
        • Oberkotzau
          • Wurlitz
[Opal var: Opal-AN] Rost, F. (1949): Contributions to Mineralogy and Petrology 1(5/6), 627-688.
      • Wunsiedel im Fichtelgebirge
        • Weißenstadt
          • Kirchenlamitz
[Opal var: Opal-AN] Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Upper Palatinate
      • Amberg-Sulzbach
        • Auerbach in der Oberpfalz
[Opal var: Opal-AN] peter neschen collection
      • Cham
        • Wald
          • Roßbach
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Neustadt an der Waldnaab
        • Flossenbürg
[Opal var: Opal-AN] Weiss, S. (1990) Mineralfundstellen Atlas, Deutschland West. Weise Verlag, München, 320 pages.
        • Waidhaus
[Opal var: Opal-AN] Rolf Luetcke
      • Tirschenreuth
        • Kemnath
[Opal var: Opal-AN] Weiss, S. (1990) Mineralfundstellen Atlas, Deutschland West. Weise Verlag, München, 320 pages.
  • Hesse
    • Darmstadt
      • Bergstraße
        • Lautertal (Odenwald)
          • Reichenbach
            • Hohenstein
[Opal var: Opal-AN] No reference listed
      • Darmstadt-Dieburg
        • Roßdorf
[Opal var: Opal-AN] S. Weiss: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Main-Kinzig-Kreis
        • Hanau
[Opal var: Opal-AN] S. Weiss: Mineralfundstellen Deutschland West, Weise (Munich), 1990
        • Neuberg
[Opal var: Opal-AN] Collection of Volker Betz
      • Offenbach district
        • Mühlheim am Main
          • Dietesheim
[Opal var: Opal-AN] S. Weiss: Mineralfundstellen, Deutschland West, Weise (Munich), 1990
      • Wetteraukreis
        • Echzell
          • Bingenheim
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Nidda
[Opal var: Opal-AN] Ehrenberg, K. H. Hentschel, G. Schricke, W. & Strecker, G. (1982) Vogelsberg-Vulkanismus. Fortschr. Mineral. 60, Beih. 2, 17-42.
          • Oberwiddersheim
[Opal var: Opal-AN]
        • Reichelsheim
          • Blofeld
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Giessen Region
      • Giessen
        • Hungen
          • Langd
[Opal var: Opal-AN]
        • Pohlheim
          • Hausen
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
        • Rabenau
          • Londorf
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
      • Vogelsbergkreis
        • Herbstein
[Opal var: Opal-AN]
  • North Rhine-Westphalia
    • Arnsberg
      • Siegen-Wittgenstein
        • Neunkirchen
          • Salchendorf
[Opal var: Opal-AN] Klein, E. (1999): Ein Basanit-Vorkommen nordwestlich von Salchendorf bei Neunkirchen / Siegerland. Der Aufschluss, 50, 203-206.
    • Cologne
      • Bonn
        • Bad Godesberg
[Opal var: Opal-AN] Brauns, R. (1922): Die Mineralien der Niederrheinischen Vulkangebiete, Schweitzerbart Stuttgart
  • Rhineland-Palatinate
    • Mayen-Koblenz
      • Mayen
        • Ettringen
          • Bellerberg volcano
[Opal var: Opal-AN] Blass, G., Graf, H.W., Neufunde von bekannten Fundorten (VI), Mineralien-Welt 3/6,32-35, 1992
    • Rhein-Lahn-Kreis
      • Diez
        • Laurenburg
[Opal var: Opal-AN] S. Weiß: "Mineralfundstellen, Deutschland West", Weise (Munich), 1990
    • Vulkaneifel
      • Daun
        • Oberstadtfeld
[Opal var: Opal-AN] Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München (2. Auflage), 1987
        • Üdersdorf
[Opal var: Opal-AN] ko.jansen
      • Hillesheim
[Opal var: Opal-AN] Blaß, G. & Kruijen, F. (2013): Die Mineralogischen Neuigkeiten aus der Vulkaneifel. Mineralien-Welt 24 (3), 33-41.
[Opal var: Opal-AN] Hentschel, G.(1987): Die Mineralien der Eifelvulkane, Weise Verlag München, 2. Auflage
        • Walsdorf
[Opal var: Opal-AN] Hentschel, G.(1987): Die Mineralien der Eifelvulkane, Weise Verlag München, 2. Auflage
        • Zilsdorf
[Opal var: Opal-AN] Hentschel, G., Die Mineralien der Eifelvulkane, Weise Verlag München (2. Auflage), 1987
  • Saxony
    • Görlitz District
[Opal var: Opal-AN] www.minmax.net
      • Rengersdorf
[Opal var: Opal-AN] T. Witzke & T. Giesler (1993): Dufrenit und Opal von Rengersdorf/Lausitz.- Mineralien-Welt 4 (5), 14
    • Vogtlandkreis
[Opal var: Opal-AN] Gröbner, J. and Kolitsch, U. (2007): The minerals of the uranium prospect at Tirpersdorf, Vogtland. Lapis 32, 37-42; 58. (in German)
Greece
 
  • Attica
    • East Attica
      • Lavreotiki
        • Lavrion Mining District
          • Agios Konstantinos (Kamariza)
[Opal var: Opal-AN] Ritter, K.-H. (1978): Hyalit und Langit von Lavrion. Lapis, 3(10), 11.
          • Plaka
            • Paliokamariza Mines (Paleokamariza Mines)
[Opal var: Opal-AN] Branko Rieck collection
  • North Aegean
    • Lesbos
[Opal var: Opal-AN] Christophos
  • South Aegean
    • Milos
      • Milos Island
[Opal var: Opal-AN] No reference listed
Hungary
 
  • Borsod-Abaúj-Zemplén County
    • Gönc District
      • Abaújszántó
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
      • Golop
[Opal var: Opal-AN]
[Opal var: Opal-AN] Koch: Minerals of Hungary, 1985
      • Telkibánya
[Opal var: Opal-AN] Szakáll-Weiszburg: Telkibánya
    • Sárospatak District
      • Erdőhorváti
[Opal var: Opal-AN]
    • Sátoraljaújhely District
      • Nagyhuta
[Opal var: Opal-AN] Szakáll & Jánosi: Minerals of Hungary, 1995
    • Szerencs District
      • Legyesbénye
[Opal var: Opal-AN] Szakáll: Top.Min. Hun.
      • Megyaszó
[Opal var: Opal-AN]
[Opal var: Opal-AN] [www.johnbetts-fineminerals.com]
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
      • Szerencs
[Opal var: Opal-AN] Szakáll: Topographia Mineralogica Hungariae III.
    • Tokaj District
      • Erdőbénye
[Opal var: Opal-AN] http://geomania.hu/lelohely.php?lelohely=200
[Opal var: Opal-AN]
[Opal var: Opal-AN]
      • Tarcal
[Opal var: Opal-AN] ; http://www.geomania.hu/lelohely.php?lelohely=328
  • Heves County
    • Gyöngyösoroszi
[Opal var: Opal-AN] Own found,2006
    • Gyöngyöspata
[Opal var: Opal-AN] http://www.geomania.hu/lelohely.php?lelohely=323
    • Gyöngyössolymos
[Opal var: Opal-AN] Szakáll-Gatter-Szendrei: Hungarian Mineral Species,2006
[Opal var: Opal-AN] http://geomania.hu/lelohely.php?lelohely=416
[Opal var: Opal-AN] Körmendy Regina (2011): A Cseternás-bérci és Szén-pataki ércesedés nyomon követése (2011. augusztusi, októberi és novemberi kutatások eredményei). Lelőhely 2011/VII. p.8-18
[Opal var: Opal-AN] T Ungvári collection
[Opal var: Opal-AN] GEODA/2000, Own found.2006
[Opal var: Opal-AN] http://www.geomania.hu/lelohely.php?lelohely=441
    • Kisnána
[Opal var: Opal-AN] Dávid Szabó
    • Recsk
[Opal var: Opal-AN] Szakáll - Gatter: Minerals of Hungary
  • Nógrád County
[Opal var: Opal-AN]
Indonesia
 
  • Bali Province
[Opal var: Opal-AN] Rod Martin personal collection
Italy
 
  • Calabria
    • Metropolitan City of Reggio Calabria
[Opal var: Opal-AN] samples in Messina University and Ferdinando Giovine collection
[Opal var: Opal-AN] Messina University collection Ferdinando Giovine collection
  • Lazio
    • Viterbo Province
      • Montalto di Castro
        • Pietra Massa Locality
[Opal var: Opal-AN] Passaglia, E. & Turconi, B. (1982): Silicati ed altri minerali di Montalto di Castro - VT. Rivista Mineralogica Italiana, 4/1982, 97-110.
  • Lombardy
    • Sondrio Province
      • Valtellina
        • Grosio
          • Grosina Valley
[Opal var: Opal-AN] Tabacchi C. (1974) - Pegmatiti della Val Grosina (Sondrio) in - Notizie del Gruppo Min. Lombardo, Milano, fasc.4, Dec. 1974 pp. 85-86 ; Bedognè, F., Montrasio, A., Sciesa, E. (2006) I minerali della media-alta Valtellina, delle Orobie valtellinesi e della Val Poschiavo. Aggiornamenti sulle altre località della provincia di Sondrio. Bettini, Sondrio, 255 pp.
    • Varese Province
      • Cuasso al Monte
[Opal var: Opal-AN] Fabio Brignoli collection
  • Piedmont
    • Novara Province
      • Pella
[Opal var: Opal-AN] Mariani P., Scaini G.: "I minerali d'Italia" - Rizzoli, 1978 - and A. Del Caldo, C. Del Moro, C.M. Gramaccioli, M. Boscardin M. "Guida ai Minerali" Fabbri ed. Milano, 1981
    • Verbano-Cusio-Ossola Province
      • Baveno
        • Oltrefiume
          • Mount Camoscio
[Opal var: Opal-AN] [MinRec 14:157]
      • Crodo
[Opal var: Opal-AN] De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
      • Trontano
        • Cosasca
[Opal var: Opal-AN] De Michele, V. (1974). Guida mineralogica d'Italia. Istituto Geografico De Agostini, Novara, 2 vol.
  • Sardinia
    • Carbonia-Iglesias Province
[Opal var: Opal-AN] Chinellato Matteo and Michael C. Roarke collections
    • Sassari Province
[Opal var: Opal-AN] Antonio Gamboni Collection
    • South Sardinia Province
[Opal var: Opal-AN] Conti-Vecchi G. Stara P. (1991) - Minerali della Sardegna - Edizioni Della Torre - Cagliari 276 pp
  • Sicily
    • Metropolitan City of Catania
      • Etna Volcanic Complex
[Opal var: Opal-AN] Sergio Russo Collection
  • Tuscany
    • Livorno Province
      • Elba Island
        • Campo nell'Elba
[Opal var: Opal-AN] Orlandi, P., & Pezzotta, F. (1997). Minerali dell'Isola d'Elba. Edizioni Novecento Grafico, Bergamo, 249 pp.
[Opal var: Opal-AN] Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
[Opal var: Opal-AN] Orlandi, P., & Pezzotta, F. (1997). Minerali dell'Isola d'Elba. Edizioni Novecento Grafico, Bergamo, 249 pp.
Japan
 
  • Fukuoka prefecture
    • Tagawa District
      • Kawara
[Opal var: Opal-AN] Uehara, S., et al. (2014) Minerals from Kyushu and Yamaguchi. (Fukuoka Mineral Club, 355 pages)
  • Gifu Prefecture
    • Nakatsugawa City
[Opal var: Opal-AN] Alfredo Petrov collection.
[Opal var: Opal-AN] Alfredo Petrov, field collected, and widespread in innumerable japanese collections.
  • Hiroshima Prefecture
    • Hiroshima City
[Opal var: Opal-AN] alfredo petrov specimens
  • Ibaraki Prefecture
    • Makabe District
      • Makabe-machi
[Opal var: Opal-AN] Alfredo Petrov specimens, received from Colorstone Mithrill, Tokyo.
  • Kagoshima Prefecture
    • Kagoshima District
      • Mishima village
        • Satsuma-Ioujima (Satsuma-Iwojima; Iou island)
          • Iodake (Iwodake; Ioudake)
[Opal var: Opal-AG] PXRD by Alfredo Petrov, 15-10-2017.
  • Saga Prefecture
    • Karatsu City
      • Hizen-cho
[Opal var: Opal-AN] Miyawaki R, Matsubara S, Yokoyama K, Iwano S, Hamasaki K, Yukinori I (2003) Kozoite-(La), La(CO3)(OH), a new mineral from Mitsukoshi, Hizen-cho, Saga Prefecture, Japan. Journal of Mineralogical and Petrological Sciences 98, 137-141
[Opal var: Opal-AN] Miyawaki, R., Matsubara, S., Yokoyama, K., Takeuchi, K., Terada, Y., & Nakai, I. (2000). Kozoite-(Nd), Nd (CO3)(OH), a new mineral in an alkali olivine basalt from Hizen-cho, Saga Prefecture, Japan. American Mineralogist, 85(7-8), 1076-1081.
  • Shiga Prefecture
    • Otsu City
[Opal var: Opal-AN] Nakatsugawa Mineral Museum (Gifu Prefecture, Japan)
  • Tokyo Metropolis
    • Hachijō Subprefecture
      • Hachijo
[Opal var: Opal-AN] field collected by Alfredo Petrov, 12-2011
Madagascar
 
  • Vakinankaratra
    • Antsirabe I
[Opal var: Opal-AN] Knut Edvard Larsen collection # M-190
    • Antsirabe II
      • Ibity
        • Sahatany Valley
[Opal var: Opal-AN] Knut Edvard Larsen collection, inventory nr. M-800
Mexico
 
  • Coahuila
    • Sierra Mojada Municipality
      • Sierra Mojada
[Opal var: Opal-AN] Panczner(1987):228-286.
  • Durango
    • Coneto de Comonfort Municipality
      • América-Sapioris District (Potrillos)
        • Sierra de San Francisco
          • Potrillos
[Opal var: Opal-AN] Yves Masson photo
    • Durango Municipality
      • Victoria de Durango
[Opal var: Opal-AN] No reference listed
[Opal var: Opal-AN] No reference listed
[Opal var: Opal-AN] Cook, R.B. (2013) Connoisseur's Choice: Buergerite (Fluor-buergerite) Mexquitic, San Luis Potosi, Mexico. Rocks & Minerals, 88, #5, 442-446.
    • Villa de Arriaga Municipality
[Opal var: Opal-AN] various added photos
  • Zacatecas
[Opal var: Opal-AN] Van King
Namibia
 
  • Erongo Region
    • Dâures
[Opal var: Opal-AN] Schnaitmann, E. A., Nägele, H., Niedermayr, G., Brandstätter, F. & Jahn, S. (2007): Das Metazeunerit-Pocket auf Tubussis 22, Erongo. Mineralien-Welt 18 (2), 33-43. (in German)
    • Karibib
[Opal var: Opal-AN] MinRec, Jan/Feb 2001
[Opal var: Opal-AN] E. Schnaitmann, F. Brandstätter, U. Kolitsch and G. Niedermayr (2008): Die „Gitterquarz“-Paragenese aus dem Erongo, Namibia. Mineralien-Welt 20 (1), 55-63.
  • ǁKaras Region
    • Karasburg West
[Opal var: Opal-AN] Bezing, L. von, Bode, R. & Jahn, S. (2008): Namibia Minerals and Localities. Edition Schloss Freudenstein, Bode Verlag GmbH, Haltern, 386 pp. (in English)
New Zealand
 
  • Auckland Region
    • Lake Pupuke
[Opal var: Opal-AN] Rod Martin personal collection
[Opal var: Opal-AN] Collection of RJ Martin
  • Canterbury Region
    • Selwyn District
[Opal var: Opal-AN] Judy Rowe Collection
    • Waitaki District
[Opal var: Opal-AN] Judy Rowe collection
  • Manawatu-Wanganui Region
    • Ruapehu District
      • Ohakune
[Opal var: Opal-AN] Judy Rowe and Alfredo Petrov specimens
  • Otago Region
    • Dunedin City
[Opal var: Opal-AN] Judy Rowe Collection
    • Waitaki District
[Opal var: Opal-AN] Knut Edvard Larsen collection # MM- 3930 (collected by Dick Dufton)
      • Oamaru
[Opal var: Opal-AN] Old Mill or Dog Pound Quarry, Oamaru, Essence of Micro-Scope (NZ), Auton and Thornton
  • Waikato Region
    • Taupo District
      • Wairakei
[Opal var: Opal-AN] Rod Martin personal collection
[Opal var: Opal-AN] Brotheridge, J.M.A., Browne, P.R.L., Hochstein, M.P. (1995) The Ngatamariki geothermal field New Zealand: surface manifestations - past and present in Proceedings of the 17th New Zealand Geothermal Workshop 1995. Presented by the Geothermal Institute, The university of Auckland in conjunction with The Centre for Continuing Education. p61.
    • Thames-Coromandel District
      • Hikuai
        • Tairua River
[Opal var: Opal-AN] Collection of RJ Martin
Norway
 
  • Aust-Agder
    • Iveland
      • Frikstad
[Opal var: Opal-AN] Revheim, O. (2004): Gadolinitt-(Y) og andre mineraler fra Slobrekka. Norsk Bergverksmuseum Skrift 28: 43-50
  • Buskerud
    • Drammen
[Opal var: Opal-AN] Nordli, Ø. (1997): Ny E 134 Drammen- Nedre Eiker. Mineraler fra veiutbyggingen. STEIN 24 (3), 116-121
    • Hurum
[Opal var: Opal-AN] Knut Edvard Larsen MM-collection (#1089)
  • Trøndelag
    • Oppdal
[Opal var: Opal-AN] Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf
[Opal var: Opal-AN] http://www.strahlen.org/vp/no/bjornaa/
[Opal var: Opal-AN] Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf
      • Trollheimen
[Opal var: Opal-AN] Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og Steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf; Witsø, T. (1995): Mineraler i Oppdal med beskrivelse. Driva Kro og steinsenter. Unpublished paper. http://vinstradalen.no/pdf/Mineraler.pdf
  • Vestfold
    • Holmestrand
      • Fjordveien
[Opal var: Opal-AN] Nordrum, F.S. (2012): Noen funn av mineraler i Norge 2011-2012. Norsk Bergverksmuseum Skrifter. 49, 117-124
[Opal var: Opal-AN] Nordrum, F.S., Larsen, S. Bergstrøm, T & Larsen, A.O. (1997): Mineralfunn langs ny E 18 i Drammen og Nordre Vestfold. STEIN 24 (3), 102-110
    • Larvik
      • Brunlanes
[Opal var: Opal-AN] Svein A. Berge collection/observation 1991.
[Opal var: Opal-AN] Svein A. Berge collection 1992
      • Hedrum
[Opal var: Opal-AN] Larsen, K. E. & Andersen, F. (2009): Mineralforekomster i den østlige delen av Siljan-Hvarnes plutonkompleks, sørvestre Vestfold. Norsk Bergverksmuseums Skrift, 41: 54-63
        • Lågendalen
[Opal var: Opal-AN] Svein A. Berge collection/observation 1989.
        • Lysebo
[Opal var: Opal-AN] Svein A. Berge collection/observation 1992.
      • Stavern (Fredriksvärn)
        • Jahren pegmatite (Jaren pegmatite)
[Opal var: Opal-AN] Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.O. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018: 5-22.
[Opal var: Opal-AN] Andresen, P., Friis, H., Kjærnet, T. & Larsen, A.O. (2018): The minerals of the Jahren pegmatite, one of the major pegmatites in the Larvik Plutonic Complex. Norsk Mineralsymposium 2018: 5-22.
    • Sande
      • Selvik
[Opal var: Opal-AN] Nordrum, F.S. (2012): Noen funn av mineraler i Norge 2011-2012. Norsk Bergverksmuseum Skrifter. 49, 117-124
    • Sandefjord
      • Haneholmveien
[Opal var: Opal-AN] Larsen, K. E. & Kolitsch, U. (2012): An unique mineral suite in a syenite pegmatite at Virikkollen, Sandefjord, Larvik Plutonic Complex, Norway. Norsk Bergverksmuseum Skrifter. 49, 35-44
      • Østerøya
[Opal var: Opal-AN] Svein A. Berge collection/observation 1992.
[Opal var: Opal-AN] Svein A. Berge collection/observation 1991.
        • Yxney
[Opal var: Opal-AN] Svein A. Berge collection/observation 1993.
    • Svelvik
[Opal var: Opal-AN] Larsen, S. & Bergtsrøm, T. (2004): Svelvik- Topas. STEIN 31(4), 11
[Opal var: Opal-AN] Nordrum, F.S. (2007): Nyfunn av mineraler i Norge 2006-2007. STEIN 34 (2): p.15-16
Pakistan
 
  • Gilgit-Baltistan
    • Skardu District
      • Haramosh Mts.
[Opal var: Opal-AN] Jose Zendrera specimen
Peru
 
  • Ica
    • Ica Province
      • Ica
[Opal var: Opal-AN] Extra Lapis - English No. 10 Opal
Poland
 
  • Lower Silesian Voivodeship
    • Wrocław Co.
      • Gmina Jordanów Śląski
[Opal var: Opal-AN] Szełęg, E., Galuskina, I. 2010: Mineralogy of Lower Silesia, Poland. Acta Mineralogica-Petrographica, Field Guide Series, Vol. 17, 1–15.
      • Gmina Sobótka
[Opal var: Opal-AN] DUBIŃSKA E., 1995: Rodingites of the eastern part of Jordanów-Gogołów serpentynite massif, Lower Silesia, Poland. Can. Mineral., 33, 585-608.GALUSKIN E., SZEŁĘG E., 2003: The first finding of Ag-amalgamates in rodingites (Nasławice, Lower Silesia, Poland). Mineralogical Society of Poland - Special Papers, Vol. 22.
Portugal
 
  • Aveiro
    • Albergaria-a-Velha
      • Branca
[Opal var: Opal-AN] Marques de Sá, J. & Leal Gomes, C. (2010): Les mines de cuivre et nickel de Palhal et Telhadela, Albergaria-a-Velha, Aveiro, Portugal. Le Règne Minéral, 92, 36-47.
  • Beja
    • Odemira
      • São Luís
[Opal var: Opal-AN] Alves, P. and Kampf, A.R. (2017) A mina de ferro e manganês da Herdade dos Pendões, Odemira, sudoeste de Portugal. Acopios, 8: 17-62. (in Portuguese).
    • Serpa
      • Vila Nova de São Bento e Vale de Vargo
[Opal var: Opal-AN] pedro alves collection
  • Castelo Branco
    • Vila Velha de Ródão
      • Vila Velha de Ródão
[Opal var: Opal-AN] Martins da Pedra collection
  • Évora
    • Estremoz
      • Glória
[Opal var: Opal-AN] Rui Nunes collection 2012
  • Faro
    • Alcoutim
      • Martim Longo
[Opal var: Opal-AN] Pedro Alves collection and analytical data.
  • Guarda
    • Aguiar da Beira
      • Gradiz
[Opal var: Opal-AN] Pedro Alves collection
    • Almeida
      • Malpartida
[Opal var: Opal-AN] Felix Garcia Garcia Mineral Collection
    • Sabugal
[Opal var: Opal-AN] Guilherme Pedrosa collection, specimen from dealer
  • Portalegre
[Opal var: Opal-AN] Rui Nunes 2011
  • Viana do Castelo
    • Valença do Minho
      • Sanfins
[Opal var: Opal-AN] Pedro Alves collection; Nuno Afonso collection (XRD-analysed)
  • Viseu
    • Mangualde
      • Chãs de Tavares
[Opal var: Opal-AN] Rui Nunes collection
      • Quintela de Azurara
[Opal var: Opal-AN]
    • Sátão
      • Ferreira de Aves
        • Aldeia Nova
[Opal var: Opal-AN] Van King
      • Romãs
[Opal var: Opal-AN] Nuno Afonso collection
[Opal var: Opal-AN] Pedro Alves collection
      • Vila Longa
[Opal var: Opal-AN] Pedro Alves collection
Russia
 
[Opal var: Opal-AN] Pekin, A.A. [Пекин, А.А.] (2010) Minerals of Moscow [Минералы Москвы]. Rossiiskii Khimicheskii Zhurnal [Российский Химический Журнал], 54, 2, 115-123 (in Russian); Pekin, A.A. (2011) Minerals of Moscow. Russian Journal of General Chemistry, 81, 6, 1381-1391.
Slovakia
 
  • Banská Bystrica Region
    • Banská Bystrica District
      • Ľubietová
[Opal var: Opal-AN] Mesiarkinová, M. & Ozdín, D. (2009) Study of hydrothermal SiO2 mineralization on the locality Ľubietová - Jamešná (Slovakia). Mitt. Österreich. Mineralog. Gesellschaft, 155, p. 101.
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
      • Poniky (Poinik)
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
    • Banská Štiavnica District
[Opal var: Opal-AN] Lexa, J., Štohl, J., & Konečný, V. (1999). The BanskáŠtiavnica ore district: relationship between metallogenetic processes and the geological evolution of a stratovolcano. Mineralium Deposita, 34(5-6), 639-654.
    • Brezno District
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Detva District
[Opal var: Opal-AN] Koděra, M., Andrusovová-Vlčeková, G., Belešová, O., Briatková, D., Dávidová, Š., Fejdiová, V., Hurai, V., Chovan, M., Nelišerová, E., Ženiš, P. (1986-1990): Topografická mineralógia Slovenska. I-III. Veda, Bratislava, 1592 p.
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Krupina District
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
      • Hontianske Nemce
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Lučenec District
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Žarnovica District
      • Nová Baňa
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Žiar nad Hronom District
      • Banská Štiavnica mining district
        • Vyhne
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Ďuďa R., 1993 : Die mineralien der Gold und Silber - lagersttäte von Kremnitz ( Kremnica) in der Slowakei. Mineralien Welt /Haltern,Nemecko/,5, s. 20 - 32
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
    • Zvolen District
      • Lešť
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Bratislava Region
    • Pezinok District
      • Pezinok
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
  • Košice Region
    • Košice-okolie District
[Opal var: Opal-AN] Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
    • Košice
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
    • Michalovce District
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
    • Rožňava Co.
[Opal var: Opal-AN] Koděra et all.,1990: Topografická mineralógia Slovenska, I-III, 1590p
    • Sobrance District
[Opal var: Opal-AN] Bacsó,Z.,Ďuďa,R.,1988: Metalogenéza a rudné formácie rudného poľa Remetské Hámre. Min.Slovaca,Bratislava, 3, 193-220p
    • Trebišov District
[Opal var: Opal-AN] Pauliš P., Ďuďa R., 2002: Nejzajimavejší mineralogická nalezište Slovenska. Kuttna, Kutná Hora, 134p.
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Nitra Region
    • Levice District
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
  • Prešov Region
    • Prešov District
      • Červenica
        • Dubník
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Personally collected by S.Šimko in 1994
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
[Opal var: Opal-AN] Duda et. all.,1981:Minerály severnej časti Slanských vrchov. Min.Slovca,Monografia 2,Bratislava, 98 p
    • Snina District
[Opal var: Opal-AN] Pauliš,P.,Ďuďa,R.,2002: Nejzajímavejší mineralogická naletište Slovenska. Kuttna,K.Hora, 136p
    • Vranov nad Topľou District
[Opal var: Opal-AN] Ďuďa,R., et al., 1981: Mineralógia severnej časti Slanských vrchov. Min.Slovaca, Monografia 2, 98s
  • Trenčín Region
    • Prievidza District
      • Handlová
[Opal var: Opal-AN] Slavomír Šimko
  • Žilina Region
    • Liptovský Mikuláš District
      • Partizánska Lupča
[Opal var: Opal-AN] Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
South Africa
 
  • Limpopo
    • Waterberg District
      • Naboomspruit (Mookgophong)
[Opal var: Opal-AN] Wolfgang R. Windisch personal list.
Spain
 
  • Canary Islands
    • Las Palmas Province
      • Gran Canaria
        • Las Palmas de Gran Canaria
[Opal var: Opal-AN] Alex Hansen Machín (2009). Volcanología y geomorfología de la etapa de rejuvenecimiento plio-pleistocena de Gran Canaria (Islas Canarias). Tesis doctoral. Personally collected in January 2013
[Opal var: Opal-AN] Graetsch, H. and I. Topalovic-Dierdorf: MAS NMR spectra of hyalite from Gran Canaria. Chemie der Erde. 56: (1996).387-391. 770
        • Tasarte
[Opal var: Opal-AN] Zeolite collcetion of Volker Betz
  • Castile-La Mancha
    • Ciudad Real
[Opal var: Opal-AN] Martins da Pedra collection
  • Catalonia
    • Barcelona
      • Maresme
        • Tordera
[Opal var: Opal-AN] Marc C collection
  • Murcia
    • La Unión
      • Sierra Minera de Cartagena-La Unión
[Opal var: Opal-AN]
        • La Fortuna
[Opal var: Opal-AN]
Switzerland
 
  • Bern
    • Hasli Valley
      • Grimsel area
        • Oberaar lake area
          • Triebten lake (Trübten lake)
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
  • Grisons
    • Albula Region
      • Albula Valley
        • Oberhalbstein Alps
          • Tinizong (Tinzen)
[Opal var: Opal-AN]
    • Surselva Region
      • Medel (Lucmagn)
        • Val Medel
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
  • Ticino
    • Bellinzona
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): "Mineralienlexikon der Schweiz", Verlag Wepf & Co. (Basel), p. 58
    • Leventina
      • Fiesso
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
    • Lugano
      • Carona
[Opal var: Opal-AN] Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 291.
  • Valais
    • Goms
      • Binn
[Opal var: Opal-AN]
    • Martigny
      • Mont Chemin mining district
[Opal var: Opal-AN]
    • Östlich Raron
      • Grengiols
        • Chummibort
[Opal var: Opal-AN] Cuchet, S., van der Burgt, A. und Meisser, N. (2005): Chummibort, eine neue Fundstelle für Arsenmineralien im Binntal. Schweizer Strahler, Nr. 2, 19-29. (in German/French)
  • Vaud
    • Aigle
      • Lavey-Morcles
        • Lavey-les-Bains
[Opal var: Opal-AN] Meisser, N. (2012): La minéralogie de l'uranium dans le massif des Aiguilles Rouges. Matér. Géol. Suisse, Sér. géotech. 96, 183 p.
UK
 
  • Northern Ireland
    • Ulster
      • Co. Down
        • Mourne Mountains
[Opal var: Opal-AN] Trevor Boyd Collection
USA
 
  • Alabama
    • Clay Co.
[Opal var: Opal-AN] Mineralogy of Alabama Geol Surv Ala. Bull 120
  • Arizona
    • Apache County
      • Cane Valley Mining District
        • Yazzie Mesa
          • Monument No. 2 channel
[Opal var: Opal-AN] Witkind, I.J. & R.E. Thaden (1963), Geology and uranium-vanadium deposits of the Monument Valley area, Apache and Navajo Cos., AZ: 123.
    • Cochise County
[Opal var: Opal-AN] Rolf Luetcke
      • Carr Canyon
[Opal var: Opal-AN] Eckhard D. Stuart collection
      • Contention-Grand Central Mine group
[Opal var: Opal-AN] Dana 6:1093.
[Opal var: Opal-AN] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 315; Williams, S.A. (1979), Girdite, oboyerite, fairbankite, and winstanleyite, four new tellurium minerals from Tombstone, AZ, Mineralogical Magazine: 43: 453-457; Rocks & Min.:57:12.
    • Gila Co.
[Opal var: Opal-AN] Anthony, J.W., et al (1995), Mineralogy of AZ, 3rd.ed.: 193; Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila Co., AZ, USGS PP 595.
      • Sierra Ancha Mountains
        • Sierra Ancha Mining District
          • Asbestos Point (Asbestos Peak) area
            • Warm Spring Canyon
[Opal var: Opal-AN] Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila Co., AZ, USGS PP 595; Granger, H.C. & R.B. Raup (1959), Uranium deposits in the Dripping Spring Quartzite, Gila Co., AZ, USGS Bull. 1046-P: 457-459.
          • Aztec Lodge area
            • Workman Creek area
[Opal var: Opal-AN] Granger, H.C. & R.B. Raup (1959), Uranium Deposits in the Dripping Spring Quartzite, Gila Co., AZ, USGS Bull. 1046-P: 469-470.
[Opal var: Opal-AN] Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 297; Granger, H.C. & R.B. Raup (1969), Geology of uranium deposits in the Dripping Spring quartzite, Gila Co., AZ, USGS PP 595.
          • Rose Creek Lodge area
            • Workman Creek
[Opal var: Opal-AN] Granger, H.C. & Raup (1959), Uranium deposits in the Dripping Spring Quartzite, Gila Co., AZ, USGS Bull. 1046-P: 467-468.
          • Workman Creek Valley
            • Rose Creek Lodge area
[Opal var: Opal-AN] Granger, H.C. & R.B. Raup (1959), Uranium deposits in Dripping Spring Quartzite, Gila Co., AZ, USGS Bull. 1046-P: 446, 464-466.
    • La Paz Co.
      • Buckskin Mountains
[Opal var: Opal-AN] The-Vug.com Collecting Minerals of La Paz County DVD
[Opal var: Opal-AN] P Cristofono collection
        • Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District)
[Opal var: Opal-AN] The-Vug.com Collecting Minerals of La Paz County DVD
      • Silver Mining District
[Opal var: Opal-AN] Dana 6: 1094.
    • Maricopa Co.
[Opal var: Opal-AN] Rolf Luetcke
    • Mohave County
[Opal var: Opal-AN] Galbraith, F.W. & Brennan (1959), Minerals of AZ: 87.
    • Pima Co.
      • Helvetia-Rosemont Mining District
        • Helvetia
          • Tiptop Mountain
            • Tiptop Mine group (Tiptop Camp prospects/mines)
[Opal var: Opal-AN] P Cristofono collection, 2008
      • Sierrita Mountains
        • Pima Mining District (Olive Mining District; Mineral Hill Mining District; Twin Buttes Mining District)
          • San Xavier
[Opal var: Opal-AN] No reference listed
    • Pinal Co.
      • Mineral Mountain Mining District
        • Superior area
          • Reymert Canyon
[Opal var: Opal-AN] Collected by C. Lemanski, Jr.
    • Santa Cruz Co.
      • Santa Cruz village area
[Opal var: Opal-AN] Galbraith, F.W. & D.J. Brennan (1959), Minerals of AZ: 87.
      • Tyndall Mining District
        • Salero area
          • Grosvenor Hills
[Opal var: Opal-AN] Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 361.
    • Yavapai Co.
      • Bradshaw Mts (Bradshaw Range)
        • Agua Fria Mining District
          • Mayer
[Opal var: Opal-AN] Rolf Luetcke
[Opal var: Opal-AN] Dale, V.B. (1961), Tungsten Deposits of Gila, Yavapai, and Mohave Counties, Arizona, US Bureau of Mines Information Circular 8078
    • Yuma Co.
      • Kofa Mts (S.H. Mts)
        • Kofa Mining District
          • Kofa Game Range
[Opal var: Opal-AN] Former Don Miller collection
  • Arkansas
    • Pike Co.
      • Murfreesboro
[Opal var: Opal-AN] P Cristofono collection, 2007
[Opal var: Opal-AN] Arkansas Geological Survey
  • California
    • Inyo Co.
      • Coso Hot Springs
        • Coso Hot Springs deposit
[Opal var: Opal-AN] Collection of RJ Martin
      • Darwin Hills
        • Darwin Mining District
          • Darwin
[Opal var: Opal-AN] Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 355.
    • Lake Co.
[Opal var: Opal-AN] Dana 6: 1096.
[Opal var: Opal-AN] Pelletier, 1962. Mineral Species & Localities of Marin County
    • Mono Co.
      • Benton Range
        • Chidago Mining District
          • Banner Ridge
[Opal var: Opal-AN] Lemmon, Dwight Moulton (1941b), Tungsten deposits of the Benton Range, Mono County, California: USGS Bulletin 22-S: 591; Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 176, 282; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 355.
    • Riverside Co.
      • Crestmore
        • Crestmore quarries
          • Sky Blue Hill
[Opal var: Opal-AN] Woodford, A.O., Crippen, R.A., and Garner, K.B. (1941) Section Across Commercial Quarry, Crestmore, California. American Mineralogist: 26: 366, 368; Woodford, A.O. (1943), Crestmore minerals: California Division Mines Report 39: 359; Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 356.
    • San Bernardino Co.
      • Silver Lake Mining District
        • Soda Mountains
          • Baker
            • Otto Mountain
[Opal var: Opal-AN] Eckhard D. Stuart collection
          • Zzyzx (Fort Soda; Soda; Soda Springs; Zzyzx Mineral Spring Resort)
[Opal var: Opal-AN] Collected by Brent Thorne
    • San Diego County
      • Aguanga Mountain Mining District (Smith Mountain Mining District)
        • Oak Grove
          • Aguanga Mountain
[Opal var: Opal-AN] Cordova, E. M. 2009. Personal communication with S. L. Ritchie, SDMC, Feb.
      • Rincon Mining District
        • Rincon
          • Rincon Mountain
[Opal var: Opal-AN] Rogers, A. F. 1910. Minerals From The Pegmatite Veins Of Rincon, San Diego Co., California. Columbia University School Of Mines Quarterly Journal Of Applied Science, Vol. 31 pp. 208-218.
  • Colorado
    • Chaffee Co.
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Eagle Co.
      • Wolcott
[Opal var: Opal-AN] collected specimens by Alan Goldstein.
    • Garfield Co.
      • Colorado River
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Grand Co.
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Gunnison Co.
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Hinsdale Co.
      • Park Mining District (Whitecross Mining District)
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Larimer Co.
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
    • Saguache Co.
[Opal var: Opal-AN] Minerals of Colorado (1997) E.B. Eckel
  • Connecticut
    • Fairfield County
      • Bethel
[Opal var: Opal-AN] Januzzi, Ronald E. (1976), Mineral Localities Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut.
      • Brookfield
[Opal var: Opal-AN] Januzzi, Ronald E. (1994), Mineral Data Book - Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
      • Danbury
[Opal var: Opal-AN] Januzzi, Ronald E. (1976): Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury, Connecticut: 192-201.
[Opal var: Opal-AN] Januzzi, Ronald E. (1994): Mineral Data Book, Western Connecticut and Environs. The Mineralogical Press, Danbury, Connecticut.
      • Newtown
        • Hawleyville
[Opal var: Opal-AN] Januzzi (1976): Mineral Localities of Connecticut and Southeastern New York State
      • Redding (Reading)
        • Branchville
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of CT and Southeastern NY State; Januzzi (1994) Mineral Data Book
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
      • Trumbull
        • Long Hill
[Opal var: Opal-AN] Januzzi, Ronald E. (1976): Mineral Localities of CT and Southeastern NY State. The Mineralogical Press, Danbury, Connecticut.
[Opal var: Opal-AN] field trip report, Garnet Gazette, December 2004, p 3.
    • Hartford Co.
      • Glastonbury
[Opal var: Opal-AN]
        • South Glastonbury
[Opal var: Opal-AN] Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121
[Opal var: Opal-AN] Harold Moritz collection
[Opal var: Opal-AN] Harold Moritz collection
[Opal var: Opal-AN] Betts, John. (1999): The Quarries and Minerals of the Dayton Road District, South Glastonbury, Connecticut. Rocks and Minerals. Volume 74, Number 2. pp. 110-121.
[Opal var: Opal-AN] P Cristofono collection, 2008
[Opal var: Opal-AN] P. Cristofono collection
      • Rocky Hill
[Opal var: Opal-AN] Shepard, Charles U. (1837), A Report on the Geological Survey of Connecticut. Hamlen, New Haven.
    • Litchfield Co.
      • Cornwall
[Opal var: Opal-AN] Ed Force collection
      • Harwinton
[Opal var: Opal-AN] A. Berluti Collection
[Opal var: Opal-AN] Januzzi, Ronald E. and David Seaman. (1976): Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut.
      • New Milford
        • Upper Merryall
[Opal var: Opal-AN] Januzzi (1976): Mineral Localities of CT and Southeastern NY State
      • Roxbury
        • Mine Hill (Ore Hill)
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of CT and Southeastern NY State
      • Thomaston
        • Thomaston Dam
[Opal var: Opal-AN] Januzzi, Ronald E. and Seaman, David. (1976), Mineral Localities of Connecticut and Southeastern New York State and Pegmatite Minerals of the World. The Mineralogical Press, Danbury, Connecticut.
      • Woodbury
[Opal var: Opal-AN] Mike Polletta Observation
    • Middlesex Co.
[Opal var: Opal-AN] Personally collected by A. Berluti in 2010
[Opal var: Opal-AN] Collected by A. Berluti in 2009-11
      • East Hampton (Chatham)
        • Cobalt
[Opal var: Opal-AN] Januzzi (1976) Mineral Localities of Connecticut & Southeastern New York State
[Opal var: Opal-AN] Field collected by Harold Moritz.
[Opal var: Opal-AN] Schooner (1958 and 1961); Jones (1960)
[Opal var: Opal-AN] Schooner (1958); Schooner (1961)
      • Haddam
        • Haddam Neck
[Opal var: Opal-AN] Jones, Robert W. (1960): Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations.
[Opal var: Opal-AN] Kevin Czaja Collection
        • Higganum
[Opal var: Opal-AN] Former Don Miller collection
[Opal var: Opal-AN] Former Don Miller collection
[Opal var: Opal-AN] Kevin Czaja Collection
[Opal var: Opal-AN] Kevin Czaja Collection
      • Middletown
        • White Rock Mining District
[Opal var: Opal-AN] Harold Moritz collection
[Opal var: Opal-AN] Schooner (1958); Harold Moritz collection
      • Portland
[Opal var: Opal-AN] Jones, Robert W. Jr., (1960), Luminescent Minerals of Connecticut, A Guide to Their Properties and Locations. Fluorescent House. Branford, Connecticut.
        • Collins Hill
          • Strickland pegmatite (Strickland-Cramer Quarry; Strickland-Cramer Mine; Strickland-Cramer Feldspar-Mica Quarries)
[Opal var: Opal-AN] Schooner, Richard. (1955): 90 Minerals from 1 Connecticut Hill. Rocks & Minerals: 30(7-8): 351-8.
[Opal var: Opal-AN] Jones, Robert W. (1960) LUMINESCENT MINERALS OF CONNECTICUT, A GUIDE TO THEIR PROPERTIES AND LOCATIONS.
[Opal var: Opal-AN] Jones, Robert W. (1960) Luminescent Minerals of Connecticut
[Opal var: Opal-AN] Jones, Robert W. (1960): LUMINESCENT MINERALS OF CONNECTICUT,
[Opal var: Opal-AN] Rocks & Minerals (1970) 45:595-600
    • New Haven Co.
[Opal var: Opal-AN] Brace, John P. (1823), Miscellaneous Localities of Minerals. American Journal of Science: s.1, 6: 250-1.; Shepard, Charles U. (1837), A Report on the Geological Survey of Connecticut. Hamlen, New Haven.
        • Southford
[Opal var: Opal-AN] Ryerson, Kathleen H. (1972) Rockhouns Guide to Connecticut
      • Waterbury
[Opal var: Opal-AN] Visually identified at a CT museum, with vivid green fluorescence
  • Georgia
    • Bartow Co.
      • Cartersville Mining District
[Opal var: Opal-AN] Rocks & Min.: 64:185.
    • Burke Co.
      • Girard District
[Opal var: Opal-AN] Rocks & Min.: 64:187.
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
    • Columbia Co.
      • Augusta
[Opal var: Opal-AN] Rocks & Min.:64:190.
[Opal var: Opal-AN] Gems and Minerals of America- Jay Ellis Ransom-1974
      • Stone Mountain-Lithonia Mining District
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Opal var: Opal-AN] [www.johnbetts-fineminerals.com]
      • Cave Spring
[Opal var: Opal-AN] Rocks & Min.:64:195; McCallie(1900).
    • Rabun Co.
      • Burton
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
[Opal var: Opal-AN]
    • White Co.
      • Cleveland
[Opal var: Opal-AN] Minerals of Georgia: Their properties and occurrences. Robert Cook GGWRD Bull 92
  • Idaho
    • Custer Co.
      • Bay Horse Mining District
        • Challis
[Opal var: Opal-AN] John Cornish collection
  • Maine
    • Androscoggin Co.
      • Auburn
        • East Mount Apatite Mining District
[Opal var: Opal-AN] Bill Bunn
    • Cumberland Co.
      • Baldwin
        • West Baldwin
[Opal var: Opal-AN] No reference listed
      • Casco
[Opal var: Opal-AN] P Cristofono collection
[Opal var: Opal-AN] King & Foord, 1994. Mineralogy of Maine, V. 1.
    • Oxford County
      • Albany
[Opal var: Opal-AN] "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., ey.al., 1998
      • Buckfield
[Opal var: Opal-AN] www.geocities.com/~stuarts1031/fluorescent4.html
      • Greenwood
[Opal var: Opal-AN] "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
      • Newry
[Opal var: Opal-AN] Harold Moritz collection
[Opal var: Opal-AN] King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed.), 2000, Mineralogy of Maine, V. 2, with updates by Van King
[Opal var: Opal-AN] King, V. and Foord, E., 1994, Mineralogy of Maine, V. 1; King, V. (ed), 2000, Mineralogy of Maine, V. 2.
[Opal var: Opal-AN] King, V. and Foord, E., 1994, Mineralogy of Maine, v. 1; King, V, 2006, Minerals of Halls Ridge and Plumbago-Puzzle Mountain, Newry, Oxford County, Maine, Mineral News, v. 22 (6), p. 1-3.
      • Paris
[Opal var: Opal-AN] King, V. T. and Foord, E. E., 1994, Mineralogy of Maine, Descriptive Mineralogy, volume 1, Maine Geological Survey, Augusta, Maine, USA, pp. 418 + 88 plates.
[Opal var: Opal-AN]
      • Peru
[Opal var: Opal-AN] Dionne, Dick & Birtic, Cal & Jacobson, Mark. (2014) The Perry petalite prospect of Peru, Maine.. Mineral News. 30. 6,8,9,11,13.
      • Rumford
[Opal var: Opal-AN] No reference listed
      • Stoneham
[Opal var: Opal-AN] A.Mathauser collection
    • Sagadahoc Co.
      • Topsham
[Opal var: Opal-AN] Rocks & Min.: 62:413.
[Opal var: Opal-AN] Van King
[Opal var: Opal-AN] "Maine Mineral Localities, 3rd Ed." by Thompson, W.B., et.al., 1998
  • Maryland
    • Harford Co.
[Opal var: Opal-AN] Ostrander, C. W. & W. E. Price (1940) Minerals of Maryland: Natural History Society of Maryland , 92 p.
      • Woodensburg-Cardiff Mining District
        • Cardiff
[Opal var: Opal-AN] Minerals of Maryland (1940) Charles Ostrander and Walter E. Price, Jr., Natural History Society of Maryland. p. 56
    • Montgomery Co.
[Opal var: Opal-AN] Cordua, Bill (1969) Mineralogy of a newly exposed granite near White Oaks, MD: Rocks and Minerals: 44 (2): 114-115.
  • Massachusetts
    • Berkshire Co.
[Opal var: Opal-AN] Gleba, 1978. Mass. Mineral & Fossil Localities
    • Essex Co.
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
[Opal var: Opal-AN] P Cristofono collection , 2009
[Opal var: Opal-AN] P. Cristofono collection 2011
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Newbury
[Opal var: Opal-AN] P. Cristofono collection 2011
      • North Andover
[Opal var: Opal-AN] P Cristofono collection , 2009
[Opal var: Opal-AN] P Cristofono collection , 2009
    • Franklin Co.
      • Deerfield
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities; Emerson, B. K (1882) The Deerfield Dyke and its minerals. American Journal of Science 3rd series XXIV:270-278,349-359.
[Opal var: Opal-AN] Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126).
[Opal var: Opal-AN] Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126).
    • Hampden Co.
      • Monson
[Opal var: Opal-AN] Emerson, B. K. (1895): A Mineralogical Lexicon of Franklin, Hampshire, and Hampden Counties, Massachusetts (USGS Bulletin 126).
    • Hampshire Co.
      • Granby
[Opal var: Opal-AN] P Cristofono collection
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Ashland
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Dracut
[Opal var: Opal-AN] P. Cristofono collection, 2013
      • Holliston
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Hudson
[Opal var: Opal-AN] P Cristofono collection 2010
      • Marlborough
[Opal var: Opal-AN] P Cristofono collection, 2006
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Weston
[Opal var: Opal-AN] Gleba, P.P. (1978) Massachusetts Mineral and Fossil Localities. Krueger Enterprises, Cambridge, Massachusetts, 117 pages plus maps.
      • Woburn
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of Connecticut and Southeastern New York State (Taylor Assoc./Mineralogical Press). Chapter: "Massachusetts Mineral Localities," p206; Rocks & Min.: 21:75.
    • Suffolk Co.
      • Boston
        • West Roxbury
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
    • Worcester Co.
      • Bolton
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Fitchburg
[Opal var: Opal-AN] P Cristofono collection
[Opal var: Opal-AN] P Cristofono collection , 2009
      • Hardwick
[Opal var: Opal-AN] Gleba, 1978. Massachusetts Mineral & Fossil Localities
      • Leominster
[Opal var: Opal-AN] P. Cristofono collection
[Opal var: Opal-AN] T Mortimer collection
[Opal var: Opal-AN] P Cristofono collection
  • Missouri
    • Wayne Co.
[Opal var: Opal-AN] Sherwood, M. D., & Williams, G. A. (1998). Missouri mineral locality index. Rocks & Minerals, 73(2), 98-117.
  • Montana
    • Jefferson Co.
      • Clancy-Lump Gulch Mining District
[Opal var: Opal-AN] Meschter, D. Y. (1953). The Geology and Mineralogy of the W. Wilson Mine Near Clancey, Jefferson County, Montana. US Department of the Interior, Geological Survey. Trace Elements Investigations Report 256
  • Nevada
    • Elko Co.
[Opal var: Opal-AN] NBMG Bull 106 Geology and Mineral Resources of Elko County, Nevada
    • Esmeralda Co.
[Opal var: Opal-AN] American Mineralogist 19:268-274
    • Eureka Co.
      • Lynn Mining District
[Opal var: Opal-AN] NBMG Spec. Pub. 31 Minerals of Nevada
    • Lander Co.
      • Spencer Hot Springs Mining District
[Opal var: Opal-AN] Rolf Luetcke
    • Nye Co.
      • San Antonio Mountains
        • Tonopah Mining District
          • Tonopah
[Opal var: Opal-AN] NBMG Spec. Pub. 31 Minerals of Nevada
[Opal var: Opal-AN] NBMG Spec. Pub. 31 Minerals of Nevada
    • Pershing Co.
      • Antelope Springs Mining District
[Opal var: Opal-AN] NBMG Spec. Pub. 31 Minerals of Nevada
      • Nightingale Mining District
[Opal var: Opal-AN] Larry J, Garside (1973). Radioactive mineral occurrences in Nevada. p. 94
    • Washoe Co.
      • Steamboat Springs Mining District
[Opal var: Opal-AN] Rolf Luetcke
  • New Hampshire
    • Carroll Co.
      • Albany
[Opal var: Opal-AN] Rocks & Min. 80:243
      • Conway
[Opal var: Opal-AN] No reference listed
      • Hale's Location
[Opal var: Opal-AN] P Cristofono collection, 2010
[Opal var: Opal-AN] Smith, Art. "New Hampshire: mineral locality index " in Rocks & Min., July-Aug 2005
[Opal var: Opal-AN]
    • Cheshire Co.
      • Marlow
[Opal var: Opal-AN] P. Cristofono collection, 2012
      • Walpole
[Opal var: Opal-AN] P. Cristofono, T. Mortimer, J.W. Nizamoff, A. Wilken, and R. Wilken (2011) The 38th Rochester Mineralogical Symposium, April 14-17, 2011, lecture abstracts, page 17-18.
    • Grafton Co.
      • Groton
[Opal var: Opal-AN] Whitmore & Lawrence, 2004. The Pegmatite Mines Known As Palermo, p.187
    • Hillsborough Co.
[Opal var: Opal-AN] P. Cristofono collection 2011
[Opal var: Opal-AN] P. Cristofono collection
[Opal var: Opal-AN] P Cristofono collection; P Cristofono collection
[Opal var: Opal-AN] P Cristofono collection
      • Wilton
[Opal var: Opal-AN] P. Cristofono collection
    • Merrimack Co.
      • Hooksett
[Opal var: Opal-AN] P. Cristofono collection 2011
    • Rockingham Co.
      • Fremont
[Opal var: Opal-AN] P Cristofono collection , 2009
[Opal var: Opal-AN] P. Cristofono collection, 2012
      • Salem
[Opal var: Opal-AN] P. Cristofono collection 2011
      • Windham
[Opal var: Opal-AN] P. Cristofono collection, 2010
    • Strafford Co.
      • Strafford
        • Parker Mountain
[Opal var: Opal-AN] Rocks & Min.:64:504.; Rocks & Minerals 80:4 pp234-241
    • Sullivan Co.
      • South Acworth
[Opal var: Opal-AN] Jeremy Zolan Collection
  • New Jersey
    • Essex Co.
      • Verona Township
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 96.
    • Hudson Co.
      • Bergen Hill
        • Weehawken
[Opal var: Opal-AN] The Minerals of New York City and Its Environs, NY Mineralogical Club (1931), Manchester, J.G.; Canfield (1889).
      • Jersey City
        • Bergen Hill
          • Mt Pleasant
[Opal var: Opal-AN] Mins. of NYC & Its Environs, NY Min. Club., Vol. 3 (1931), edited by J.G. Manchester
    • Mercer Co.
      • West Windsor Township
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 88.
    • Morris Co.
      • Mount Olive Township
[Opal var: Opal-AN] NJ State Geol. Ann. Rpt. (1856):175.
    • Passaic Co.
      • Paterson
[Opal var: Opal-AN] American Muiseum of Nat. History, NY, specimen(s); Paterson, NJ, Museum specimens; Rocks & Min.: 59:157-183, Peters, Joseph J. (1984).
    • Sussex County
      • Byram Township
        • Cranberry Lake
[Opal var: Opal-AN] collected by David Bernstein- 10/2009
  • New Mexico
    • Colfax County
      • Springer
        • Point of Rocks Mesa (Pecks Mesa)
[Opal var: Opal-AN] Northrop, Minerals of New Mexico, 3rd. rev. ed. (1996)
    • Grant Co.
      • Pinos Altos Mining District
[Opal var: Opal-AN] Identified on specimens obtained at 2009 Tucson micromount symposium
      • White Signal Mining District
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
    • Hidalgo Co.
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.; Page, L. R.; Stocking, H. E.; Smith, H. B. (1956) Contributions to the geology of uranium and thorium by the United States Geological Survey and Atomic Energy Commission for the United Nations International Conference on Peaceful Uses of Atomic Energy, Geneva, Switzerland, 1955. USGS Professional Paper 300 pp97-103
    • Lea Co.
      • Lovington
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
    • Luna County
      • Tres Hermanas Mountains
        • Tres Hermanas District
          • Mahoney Mines area
[Opal var: Opal-AN] Jerry Cone Collection
    • Sandoval Co.
      • Jemez Sulfur District
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
    • Santa Fe Co.
      • New Placers District
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
    • Sierra Co.
      • Hillsboro District
        • Hillsboro
          • Percha Creek
[Opal var: Opal-AN] Rolf Luetcke
[Opal var: Opal-AN] Gibbs, R. (2013) Microminerals near San Juan Peak in the San Mateo Mountains, Socorro County, New Mexico. 34th Annual New Mexico Mineral Symposium, November 9-10, Socorro, New Mexico, Program with Abstracts: 34(14): 27.
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
      • Paramount Canyon
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
      • San Mateo Mountains District
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
[Opal var: Opal-AN] Minerals of New Mexico 3rd ed.
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 84.
    • Broome Co.
      • Deposit
[Opal var: Opal-AN] Rocks & Min.: 20:61.
    • Essex Co.
      • Crown Point Township
[Opal var: Opal-AN] Jensen (1978) Minerals of New York State
    • New York City
      • Manhattan (New York Co.)
[Opal var: Opal-AN] Alfredo Petrov, field observations on material displaced during hurricane Irene, August 2011.
    • Orange Co.
      • Town of Warwick
        • Edenville
          • Edenite Hill
[Opal var: Opal-AN] Van King
    • Putnam Co.
      • Philipstown Township
        • Anthony's Nose
[Opal var: Opal-AN] Rocks & Min.:8:61-65.
      • Southeast Township
        • Brewster
[Opal var: Opal-AN] Januzzi, 1976. Mineral Localities of CT and Southeastern NY State, p223-224
      • Town of Putnam Valley
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 87.
    • Westchester Co.
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull., Vol. 3, No. 1, Manchester, J.G. (1931): 65.
[Opal var: Opal-AN] Rocks & Min.:11:66; 23:712.
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 39 & 45-46.
      • Cortlandt Township
        • Toddville
[Opal var: Opal-AN] Rocks & Min.: 7:91; 8:38.
      • Harrison
[Opal var: Opal-AN] Rocks & Min.: 6:101 & 9:136-137.
      • Peekskill
        • Camp Smith
[Opal var: Opal-AN] Rocks & Min.: 8:40.
[Opal var: Opal-AN] Rocks & Min.:7:148 & 8:40.
[Opal var: Opal-AN] The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 98.
  • North Carolina
[Opal var: Opal-AN] Genth,Frederick Augustus (1891) The Minerals Of North Carolina;USGS Bulletion No.74
    • Cabarrus Co.
[Opal var: Opal-AN] Pratt,Joseph Hyde.,(1933) Gems and Gem Minerals of North Carolina: American Mineralogist,Vol.18,No.4,April,1933
    • Clay Co.
[Opal var: Opal-AN] Pratt,Joseph Hyde.,1933,Gems and Gem Minerals of North Carolina: American Mineralogist: Vol.18,No.4,April,1933
    • Macon Co.
      • Cowee Valley
        • Ellijay Mining District
          • Franklin
            • Corundum Hill
[Opal var: Opal-AN] Ref.: Dana 6:499, 560 & 1077.
    • Madison Co.
      • Mars Hill
[Opal var: Opal-AN] Rocks & Min.: 17:62
    • Mitchell Co.
      • Cane Creek Section
        • Bakersville
          • Pizzle Mtn
[Opal var: Opal-AN] Rocks & Min.:11:76-77.
      • Crabtree Falls
        • Crabtree Mountain
[Opal var: Opal-AN] Rocks & Min.:11:58.
      • Grassy Creek
[Opal var: Opal-AN] Genth,F.A and Kerr,W.C ,1881,Minerals and Mineral Localities of North Carolina,Geologic Survey, North Carolina
[Opal var: Opal-AN] Rocks & Min.: 11:58.
[Opal var: Opal-AN] Genth, Frederick Augustus (1891) The Minerals Of North Carolina: USGS Bulletion No.74
[Opal var: Opal-AN] U.S Bureau of Mines,Spatial Data Extraction from the Minerals System/Mineral Industry Location System(Mas/Mils)CD-Rom,Sep,1995
      • Spruce Pine Mining District
        • Crabtree Creek
[Opal var: Opal-AN] Veal,William Brian (2004) Mineralogy Of The Peraluminous Spruce Pine Plutonic Suite,Mitchell,Avery, and Yancey Counties, North Carolina:B.S.,Georgia Southwestern State University
[Opal var: Opal-AN] Smithsonian Institution Mineral Reference Collection No.C5279-02
        • Hawk-Bakersville
[Opal var: Opal-AN] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
[Opal var: Opal-AN] U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
        • Little Switzerland
[Opal var: Opal-AN] Rocks & Min.:11:58.
[Opal var: Opal-AN] Rocks & Min.: 11:57.
        • Penland
[Opal var: Opal-AN] Michael Streeter,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains
[Opal var: Opal-AN] Rocks & Min.:11:77 & 60:92.
        • Spruce Pine
[Opal var: Opal-AN] Min Rec 10:1 pp29-30
[Opal var: Opal-AN] Streeter.Michael.,2003,A Rockhounding Guide to North Carolinas Blue Ridge Mountains.pg#84-85
[Opal var: Opal-AN] Min Rec 10:1 pp29-30
[Opal var: Opal-AN] Ross,Clarence S.,(1937) Sphalerite from a Pegmatite near Spruce Pine,North Carolina:The American Mineralogist,May,1937
[Opal var: Opal-AN] Rocks & Min.: 60:92.
[Opal var: Opal-AN] Min Rec 10:1 pp29-30
[Opal var: Opal-AN] Genth,F.A.,1891,The Minerals Of North Carolina:USGS Bulletion No.74
[Opal var: Opal-AN]
      • Hamme Tungsten Mining District
        • Tungsten
[Opal var: Opal-AN] Ransom,Jay Ellis.,1974,Gems and Minerals of America
    • Yancey Co.
      • Spruce Pine Mining District
        • Burnsville
          • Hurricane Mountain
[Opal var: Opal-AN] C.W. Allen collection
        • Celo
          • Micaville
[Opal var: Opal-AN] C.W. Allen collection
        • Crabtree Creek
[Opal var: Opal-AN] Rocks and Minerals (1985) 60:84-93,99; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
          • Seven Mile Ridge
[Opal var: Opal-AN] Rocks & Min.:11:58.
  • Oklahoma
    • Kiowa Co.
      • Lugert
[Opal var: Opal-AN] R&M 72:4 pp 252-264
  • Oregon
    • Jefferson Co.
      • Madras
[Opal var: Opal-AN] K. Volkman personal collection
    • Klamath Co.
[Opal var: Opal-AN] Kleck. W. D. (1970): Cavity Minerals At Summit Rock. American Mineralogist. 55, 1396-1404
    • Lake Co.
      • Plush
[Opal var: Opal-AN] O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon; March.
[Opal var: Opal-AN] O'Neal, C. (2013), Field collection and visual analysis of the Oregon Sunstone deposits near Plush, Lake County, Oregon; March.
    • Morrow Co.
[Opal var: Opal-AN] USGS
  • Pennsylvania
    • Berks Co.
      • Birdsboro
        • Gickerville (Gibralter)
[Opal var: Opal-AN] The Mineralogy of Pennsylvania 1966-1975; Robert C. Smith II ; pg. 53
    • Philadelphia Co.
      • Philadelphia
        • Frankford
[Opal var: Opal-AN] Mineralogy of Pennsylvania-1922; Samuel S. Gordon, pg. 229
[Opal var: Opal-AN] Mineralogy of Pennsylvania-1922; Samuel S. Gordon, pg. 229
        • Germantown
[Opal var: Opal-AN] Mineralogy of Pennsylvania, S. G. Gordon - 1922, p. 226.
[Opal var: Opal-AN] Gordon, 1922. The Mineralogy of Pennsylvania
  • Rhode Island
    • Providence Co.
      • Burrillville
        • Oakland
[Opal var: Opal-AN] Miller, 1971. RI Minerals & Their Locations
      • Cumberland
[Opal var: Opal-AN] Gems & Minerals 395 (August, 1970).
[Opal var: Opal-AN] Eckert, Allan W. (1997): The World of Opals, p. 346.
      • Johnston
[Opal var: Opal-AN] George, Gilbert (1972). Latest Finds at Rhode Island Road Cuts(Micromounters of New England no. 17, Feb. 1972).
  • South Dakota
    • Custer Co.
      • Custer Mining District
        • Fourmile
[Opal var: Opal-AN] Rocks & Minerals: 60: 117.
  • Texas
    • Burnet Co.
[Opal var: Opal-AN] Personally collected by Franklin Roberts
    • Llano Co.
      • Kingsland Granite Company Quarry (Petrick Quarry)
[Opal var: Opal-AN] Self-collected by Franklin Roberts.
[Opal var: Opal-AN] Economic Geology; November 1964; v. 59; no. 7; American Mineralogist 50:284
  • Utah
    • Beaver Co.
      • Beaver
[Opal var: Opal-AN] UGMS Bull 117 Minerals and Mineral Localities of Utah
      • Escalante Desert
        • Milford
[Opal var: Opal-AN] Rick Dalrymple
    • Daggett Co.
      • Red Creek (Browns Park)
[Opal var: Opal-AN] UGMS Bull 117 Minerals and Mineral Localities of Utah; U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.
      • Uinta Mountains
[Opal var: Opal-AN] UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Emery Co.
      • San Rafael Mining District (San Rafael Swell)
[Opal var: Opal-AN] Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 992, 1056.; DANA R. KELLEY AND PAUL F. KERR (1958) URANO-ORGANIC ORE AT TEMPLE MOUNTAIN, UTAH. BULLETIN OF THE GEOLOGICAL SOCIETY OF AMERICA VOL. 69. PP. 701-756.
    • Juab Co.
      • Thomas Range
[Opal var: Opal-AN] UGMS Bull 117 Minerals and Mineral Localities of Utah
[Opal var: Opal-AN] Greg Slak specimen
    • Piute Co.
      • Marysvale Mining District (Marysvale Uranium area)
[Opal var: Opal-AN] UGMS Bull 117 Minerals and Mineral Localities of Utah
    • Sevier Co.
[Opal var: Opal-AN]
  • Virginia
    • Amelia Co.
      • Winterham
[Opal var: Opal-AN] Mike Dennis specimens
    • Culpeper Co.
      • Mitchell
[Opal var: Opal-AN]
[Opal var: Opal-AN] Gems and Minerals of America-Jay Ellis Ransom-1974
    • Henrico Co.
      • Richmond
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
    • Henry Co.
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
    • Loudoun Co.
      • Conklin
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
      • Leesburg
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
    • Lunenburg Co.
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
    • Powhatan Co.
      • Flat Rock
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
    • Roanoke Co.
[Opal var: Opal-AN] Minerals of Virginia 1990 by R. V. Dietrich
  • Washington
    • Grant Co.
      • Coulee City
[Opal var: Opal-AN] T Douglas Schonewald Collection
[Opal var: Opal-AN] Personally collected by T Douglas Schonewald, catalog: MI-2016-0067, MinID: 19M-UUF
      • Warden
[Opal var: Opal-AN] T Douglas Schonewald Collection
[Opal var: Opal-AN] T Douglas Schonewald Collection
    • Lincoln Co.
[Opal var: Opal-AN] Dake, 1956. NW Gem Trails, 2nd ed.
    • Spokane Co.
[Opal var: Opal-AN] http://www.mindat.org/forum.php?pm,0,page=read,folder_id=inbox,pm_id=39097
    • Yakima Co.
[Opal var: Opal-AN] T Douglas Schonewald Collection
  • Wisconsin
    • Florence Co.
      • Fern
        • Pine River pegmatites
[Opal var: Opal-AN] Sirbescu, M. L. C., E. E. Hartwick, E.E., & J. J. Student (2008): Rapid crystallization of the Animikie Red Ace Pegmatite, Florence county, northeastern Wisconsin: inclusion microthermometry and conductive-cooling modeling. Contributions to Mineralogy and Petrology: 156: 289-305.
    • Marathon Co.
[Opal var: Opal-AN] [MinRec 12:95]; Rocks and Minerals, (1987) 62:188-195
  • Wyoming
    • Teton Co.
      • Moran
[Opal var: Opal-AN] Iddings, J P and S L Penfield "The Minerals in Hollow Spherulites of Rhyolite from Glade Creek, Wyoming" American Journal of Science Vol 42 No 247 (1892) pp. 39-46
Vanuatu
 
  • Tanna Island
[Opal var: Opal-AN] R. Martin personal collection
 
矿物 and/or 产地  
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