Tantalite-(Fe)

Tantalite-(Fe)

Pomarolli farm, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Tantalite-(Fe)

Maniema, DR Congo

Tantalite-(Fe)

Mwami, Karoi District, Mashonaland West, Zimbabwe

Tantalite-(Fe)

Coolgardie, Coolgardie Shire, Western Australia, Australia

Tantalite-(Fe)

Pomarolli farm, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Tantalite-(Fe)

Maniema, DR Congo

Tantalite-(Fe)

Mwami, Karoi District, Mashonaland West, Zimbabwe

Tantalite-(Fe)

Coolgardie, Coolgardie Shire, Western Australia, Australia

Tantalite-(Fe)

Pomarolli farm, Linópolis, Divino das Laranjeiras, Minas Gerais, Brazil

Tantalite-(Fe)

Maniema, DR Congo

About Tantalite-(Fe)Hide

Classification of Tantalite-(Fe)Hide

Physical Properties of Tantalite-(Fe)Hide

Optical Data of Tantalite-(Fe)Hide

Type:

Biaxial (-)

RI values:

n_α = 2.260 n_β = 2.300 - 2.400 n_γ = 2.430

Max Birefringence:

δ = 0.170

Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.

Surface Relief:

Very High

Dispersion:

relatively strong

Colour in reflected light:

Grey

Internal Reflections:

Red to reddish brown.

Chemical Properties of Tantalite-(Fe)Hide

Crystallography of Tantalite-(Fe)Hide

Geological EnvironmentHide

Type Occurrence of Tantalite-(Fe)Hide

Synonyms of Tantalite-(Fe)Hide

Other Language Names for Tantalite-(Fe)Hide

Relationship of Tantalite-(Fe) to other SpeciesHide

Common AssociatesHide

Related Minerals - Nickel-Strunz GroupingHide

Related Minerals - Dana Grouping (8th Ed.)Hide

Related Minerals - Hey's Chemical Index of Minerals GroupingHide

Other InformationHide

References for Tantalite-(Fe)Hide

Internet Links for Tantalite-(Fe)Hide

Localities for Tantalite-(Fe)Hide

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
San Luis Province Coronel Pringles Department Totoral pegmatitic field ⓘ Independencia Argentina pegmatite	Miguel Ángel Galliski, María Florencia Márquez-Zavalía, Petr Černý, Julio César Oyarzábal, Ana Cecilia Mugas Lobos (2015) The anatomy of an albite-type granitic pegmatite from the Totoral pegmatite field, San Luis, Argentina. Journal of Geosciences, 60:31–44
Australia
Queensland City of Mount Isa ⓘ Mica Creek ?	Costas Constantinides collection, Australian museum id
South Australia Flinders Ranges North Flinders Ranges Mt Babbage area (Inlier) ⓘ Yerila gneissic complex	P.-A. Wulser unpublished data
Western Australia Coolgardie Shire Binneringie Station ⓘ Binneringie Tantalite (Bald Hill pegmatites; Woodline pegmatites)	MINEDEX
Derby-West Kimberley Shire Napier Downs Station ⓘ Clara Hill	MINEDEX
Port Hedland Shire Wallareenya Station ⓘ Bore Creek	minedex
Pilgangoora (Pilgangoora Mining Centre; Lynas Find; McPhees Patch; Mount York) ⓘ Green's Well pegmatite (Green's Tank)	Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
Ravensthorpe Shire Ravensthorpe ⓘ Cattlin Creek South Mine (Mount Cattlin Lithium Mine; Cattlin Creek pegmatite)	Calderwood, M.A., Grguric, B.A., Jacobson, M.I., (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia.
Upper Gascoyne Shire Yinnietharra ⓘ Arthur River pegmatites	Pegmatites of Western Australia; M.I. Jacobson, M.A. Calderwood, B.A. Grguric' Hesperian Press, Perth, 2007
Cairn Mining Centre ⓘ Nardoo Hill (Beryl Hill)	Jacobson, M.I., Calderwood, M.A., Grguric, B.A. (2007) Guidebook to the Pegmatites of Western Australia. Hesperian Press, Carlisle, Western Australia, 394 pages.
Austria
Carinthia Spittal an der Drau District Spittal an der Drau Lieser ravine ⓘ Lippnik feldspar quarry	Walter, F. (1998): Exkursion E4 am 27.9.1998 - MinPet 98 (Pörtschach am Wörthersee/Kärnten) - Die Pegmatite des Millstätter See-Rückens. Mitt. Österr. Mineral. Ges. 143, 437-450
Wolfsberg ⓘ Feldspar quarry	G. Niedermayr, I. Praetzel: Mineralien Kärntens, 1995
Brazil
Minas Gerais Coronel Murta ⓘ Morro Redondo mine	Richard Dale collection
Divino das Laranjeiras Linópolis ⓘ Pomarolli farm	Collection of Michael G. Shaw
Governador Valadares ⓘ Golconda pegmatite field	Josef Vajdak (Peque Rare Minerals) specimens (JV02/101-4), labelled "Golconda/Urbano mine".
Itinga Taquaral Piauí valley ⓘ Cachoeira mine	Dias, C.H. & de Sá Carneiro Chaves, M.L: (2015): Uncommon Nb-tantalate from the Cachoeira mine, Araçuaí pegmatite district (Minas Gerais). Revista Escola des Minas, 68 (4): ?
Paraíba Nova Palmeira ⓘ Roncadeira pegmatite	Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228
Rio Grande do Norte Parelhas ⓘ Carcará pegmatite	Beurlen, H., Da Silva, M.R.R., Thomas, R., Soares, D.R., and Olivier, P. (2008): Mineralium Deposita 43, 207-228.
Canada
Northwest Territories Yellowknife Pegmatite field ⓘ Moose II pegmatite (ELK; Beck; DeStaffany)	Anderson, M. O., Lentz, D. R., McFarlane, C. R., & Falck, H. (2013). A geological, geochemical and textural study of an LCT pegmatite: implications for the magmatic versus metasomatic origin of Nb-Ta mineralization in the Moose II pegmatite, Northwest Territories, Canada. Journal of GEOsciences, 58(4), 299-320.
Nunavut ⓘ Chantrey Inlet pegmatite field	P.B. Tomascak, M.A. Wise, P. Cerni, and D.L. Trueman (1994) Reconnaissance studies of four pegmatite populations in the Northwest Territories. pp 33-62. in W.D. Sinclair and D.G. Richardson eds. Studies Of Rare-Metal Deposits In The Northwest Territories. Geological Survey Of Canada Bulletin 475
Ontario Kenora District Pakeagama Lake Area ⓘ PAK Lithium Project (Pakeagama Lake pegmatite)	Breaks, F. W., Tindle, A. G., & Smith, S. R. The Pakeagama Lake Pegmatite: Continued Field and Laboratory Investigation of Highly Evolved, Complex-Type, Petalite-Subtype Rare-Element Mineralization in the Berens River-Sachigo Subprovince Boundary Zone
Paterson Lake Area ⓘ Marko’s pegmatite	Tindle, A.G. & Breaks, F.W. (1998) Oxide minerals of the Separation Rapids rare-element granitic pegmatite group, northwestern Ontario. Canadian Mineralogist, 36, 609-635. Tindle, A.G., Breaks, F.W. and Webb, P.C. (1998) Wodginite-group minerals from the Separation Rapids Rare-Element Granitic Pegmatite Group, northwestern Ontario. Canadian Mineralogist, 36, 637-658. ontariominerals.com
ⓘ Separation Rapids Lithium Project (Separation Lake area)	Canadian Mineralogist 36, 609; Tindle, A.G., Breaks, F.W., and Selway, J.B. (2002) Tourmaline in petalite-subtype gramitic pegmatites: evidence of fractionation and contamination from Pakeagama Lake and Separation Lake areas of northwestern Ontario, Canada. Canadian Mineralogist, 40, 753-788.
China
Fujian Nanping Yanping District Nanping pegmatite field ⓘ Pegmatite No. 31	Can Rao, Rucheng Wang, Huan Hu, and Wenlan Zhan (2009): Canadian Mineralogist 47(5), 1195-1212.
Jiangsu Suzhou Huqiu District ⓘ Shananbang Ta-Nb deposit	Xiaojun Yuan, Chuanli Wan, and Jianping He (2004): Geology and Prospecting 40(1), 31-35; Jianping He (2006): Jiangsu Geology 30(3), 183-186
Jiangxi Ji'an Suichuan Co. ⓘ Xigang Ta-Nb deposit	Weizheng Hu, Junping Huang, and Xiaowen Huang (2005): Resources Survey and Environment 26(4), 258-266
Sichuan Garzê Autonomous Prefecture (Ganzi Autonomous Prefecture) Kangding County Kangding pegmatite field ⓘ Jiajika Mine	Chenghua Zhang and Guodong Ji (1983): Geology and Prospecting 19(4), 22-28
Ngawa Autonomous Prefecture (Aba Autonomous Prefecture) Xiaojin Co. ⓘ Luerchongtang Ta deposit	Dong Peng, Mingguang Wang, Yunxi Xie, Shangpin Chen, and Jun Cao (2005): Geology and Prospecting 41(4), 33-38
Xinjiang Yili Hasake Autonomous Prefecture (Ili Kazakh Autonomous Prefecture) Aletai Prefecture (Altay Prefecture) Aletai Co. (Altay Co.) ⓘ Dakalasu Mine (Dahalasu Mine)	Denghong Wang, Yuchuan Chen, and Zhigang Xu (2003): Bulletin of Mineralogy, Petrology and Geochemistry 22(1), 14-17
Czech Republic
Olomouc Region Šumperk District Branná (Kolštejn; Goldenstein) ⓘ Dämmbaude	Novák, M. et al.: Beryl-columbitový pegmatit z Branné, Hrubý Jeseník. Acta Mus. Moraviae, Sci. geol., 2003, 88, 113-122.
Velké Losiny Maršíkov (Marchendorf) ⓘ Rasovna (Schinderhübl)	Novák, M.: Maršíkov - Schinderhübel. In Exkurzní průvodce po mineralogických lokalitách na Sobotínsku. Univerzita Palackého v Olomouci, 2002, Olomouc, s. 34-37.
South Bohemian Region České Budějovice District Horní Stropnice ⓘ Šejby	Pavlíček V. et al.: Pegmatit beryl-kolumbitového typu ze Šejb v Novohradských horách. Zprávy o geologických výzkumech v roce 2008, Mineralogie, petrologie a geochemie, 185-189.
DR Congo
Ituri ⓘ Mambasa	Frank Melcher, Torsten Graupner, Hans-Eike Gäbler, Maria Sitnikova, Friedhelm Henjes-Kunst, Thomas Oberthür, Axel Gerdes, Stijn Dewaele (2015): Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews 64, 667–719
Maniema ⓘ Lubilokwi
South Kivu ⓘ Mwenga Territory	Melcher, F., Graupner, T., Gäbler, H. E., Sitnikova, M., Henjes-Kunst, F., Oberthür, T., ... & Dewaele, S. (2015). Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64, 667-719.
Finland
Lapland Enontekiö Miessijoki River ⓘ Rapeli-Kangas claim	Tuisku, Pekka 2010. Heavy minerals from gold sluicing in Lapland Gold Rush area and their bearing on the origin of gold bearing tills. Res Terrae, Ser A, N:o 31. Proceedings of the Nordic Mineralogical Network V annual Meeting.
Pirkanmaa Orivesi Eräjärvi area ⓘ Eräpyhä pegmatite	Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
ⓘ Hannula pegmatite	Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
ⓘ Keskimetsä pegmatite	Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
ⓘ Seppälänranta pegmatite	Lahti, S. (2000): Compositional variation in columbite group minerals from different types of granitic pegmatites of the Eräjärvi district,South Finland. Journal of the Czech Geological Society. 45 (1-2),107-118
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite
Salo Suomusjärvi ⓘ Salittu	Niskanen, Maria (2014). Salitun felsisten juonten mineraalikoostumus ja evoluutio. Pro Gradu-tutkielma (2014). Geotieteiden ja Maantieteen Laitos Helsingin Yliopisto.gedrite
Uusimaa Myrskylä ⓘ Kankkila pegmatite	Ilkka Mikkola collection
France
Nouvelle-Aquitaine Haute-Vienne Bellac Bessines-sur-Gartempe ⓘ Barrot river alluvials	François Périnet collection
Germany
Saxony Görlitz District Löbau Czorneboh Wuischke ⓘ Steinberg	Witzke, T., Giesler, T. (2008): Neufunde und Neubestimmungen aus der Lausitz, Der Aufschluss, Vol. 59, 245-252
Hungary
Borsod-Abaúj-Zemplén County Miskolc District Bükkszentkereszt ⓘ Bagoly Hill	Gál P. (2014): Titán-, nióbium és tantálásványok a Bagolyhegyi Metariolit Formáció (Bükk) képződményeiben. TDK dolgozat, kézirat, ME
Italy
Lombardy Lecco Province Colico ⓘ Piona Peninsula	VIGNOLA, P., & DIELLA, V. (2007). Phosphates from Piona granitic pegmatites (Central Southern Alps, Italy). Granitic Pegmatites: the State of the Art. Book of Abstr.(T. Martins & R. Vieira, eds.). Universidade do Porto, Departamento de Geologia, Memórias, 8, 102-103.
ⓘ Malpensata pegmatitic dyke (Olgiasca-Malpensata; Croce Quarry; Secondi dyke)	Vignola, P., Fransolet, A.M., Guastoni, A. & Appiani, R. (2011). Le pegmatiti di Piona. Recenti studi sui filoni Malpensata, Luna e Sommafiume. Rivista Mineralogica Italiana, 1/2011, 30-38
Piedmont Verbano-Cusio-Ossola Province Craveggia Rio Vasca ⓘ Piano del Lavonchio (Piano dei Lavonchi)	Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007): Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Druogno Orcesco ⓘ Alpe Rosso	Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Trontano Cosasca ⓘ Grignaschi quarry	Piccoli, G.C., Maletto, G., Bosio, P., Lombardo, B. (2007). Minerali del Piemonte e della Valle d'Aosta. Associazione Amici del Museo "F. Eusebio" Alba, Ed., Alba (Cuneo) 607 pp.
Ivory Coast
Sassandra-Marahoué Haut-Sassandra Issia department Issia ⓘ Bémadi Mine	Allou, B.A., Lu, H.Z., Guha, J., Carignan, J., Naho, J., Pothin, K., Yobou, R. (2005) Une corrélation génetique entre les roches granitiques, et les dépôts éluvionnaires, colluvionnaires et alluvionnaires de colombotantalite d’Issia, centre-ouest de la Côte d’Ivoire. Exploration and Mining Geology, 14:4, 61-77 (in French).
ⓘ Étienne-Méguhé Mine	Allou, B.A. (2006), Expl & Mining Geology 14, 1-4, 61-77
ⓘ Sézo	Allou B.A. et al. (2006), Expl. & Mining Geology. 14, 1-4, 61-77; Assaoulé Benjamin Allou (2005) Facteurs, Paramètres, Dynamique DE Distribution Et Genèse Des Dépôts DE Columbo-tantalite D'issia Centre-ouest DE LA Côte D'ivoire. PhD thesis, University of Quebec.
Japan
Fukuoka prefecture Munakata City ⓘ Nagatare (Nagatareyama; Nagatare mine)	www.petrovrareminerals.com/articles02.html
Ibaraki Prefecture Hitachiota City ⓘ Myoukenyama (Myokensan)	Matsubara, S. & Miyawaki, R. (2006) Catalogue of Japanese Minerals (National Science Museum)
Madagascar	Muséum national d' Histoire Naturelle, Paris specimen MNHN No 193.14
Myanmar
Shan State Taunggyi District Nyaungshwe Township ⓘ Myinmati W-Sn-polymetallic deposit	Hong Wang, Fangcheng Lin, Meifeng Shi, Hongzhao Shi, and Jiangli Wang (2013): Geology and Exploration 49(1), 89-98
Namibia
Erongo Region Dâures Constituency Sandamap North Farm 115 (Sandamab) ⓘ Sandamap pegmatite (Sandamab pegmatite)	Min Rec (2006) 37:361-470
Karibib Constituency Brabant Farm 168 ⓘ Van der Made pegmatite (Brabant; Erongo Schlucht)	Min Rec (2006) 37:361-470
Davib Ost Farm 61 (Davib East Farm 61) ⓘ Carsie pegmatite	Min Rec (2006) 37:361-470
ⓘ Davib Mine	Min Rec (2006) 37:361-470
Erongorus Farm 166 ⓘ Pieters Hill	Min Rec (2006) 37:361-470
Nigeria
Kogi Adavi ⓘ Okene-Lokoja-Kabba roads junction pegmatite	Rotimi, I.A., Obasi, R.A. (2012) Uranium-Bearing Niobotantalate (Petscheckite) – A New Mineral in Nigeria. Journal of Science and Technology, 1(6): 316-321.
Norway
Agder Evje og Hornnes Lauvland ⓘ Lauvland 05a Feldspar Quarry	Neumann, H. (1985): Norges Mineraler. Norges geologiske Undersøkelse Skrifter 68, p. 78. + Selbekk, R.S., Berg, H.-J.,Folvik, H. & Ellingsen, H.V. (2008): Mineraler i columbitt-tantalittgruppen fra Norge. Norsk Bergverksmuseum Skrift. 38, 33-36.
Iveland Landås ⓘ Landås 01 Feldspar Quarry	Bjørlykke, H.(1934): The Mineral Paragenesis and Classification of the Granite Pegmatites of Iveland, Setesdal, Southern Norway. Norsk Geologisk Tidsskrift 14, 211-311 ; Selbekk, R.S., Berg, H.-J.,Folvik, H. & Ellingsen, H.V. (2008): Mineraler i columbitt-tantalittgruppen fra Norge. Norsk Bergverksmuseum Skrift. 38, 33-36.
Østfold Moss Dillingøya (Dillingö) ⓘ Hattevik Feldspar Quarry	Selbekk, R.S., Berg, H.-J.,Folvik, H. & Ellingsen, H.V. (2008): Mineraler i columbitt-tantalittgruppen fra Norge. Norsk Bergverksmuseum Skrift. 38, 33-36
Vestfold og Telemark Drangedal Tørdal ⓘ Heftetjern pegmatite	Raade, G. & Kristiansen, R. (2000a): Mineralogy and geochemistry of the Heftetjern granite pegmatite, Tørdal: a progress report. Norsk Bergverksmuseum Skrifter. 17, 19-25
Poland
Lower Silesian Voivodeship Dzierżoniów County Piława Górna ⓘ DSS Piława Górna Quarry	PIECZKA et al. 2010: Nb-Ta minerals in pegmatites in the DSS mine at Piława Górna, Góry Sowie Block, southwestern Poland. Mineralogia - Special Papers, 37.
ⓘ Julianna pegmatite	Pieczka, A., Łodziński, M., Szełęg, E., Ilnicki, S.S., Nejbert, K., Szuszkiewicz, A., Turniak, K., Banach, M., Michałowski, P. & Różniak, R. (2012) the Sowie Mts. Pegmatites (Lower Silesia, Sw Poland): A Current Knowledge. Mineralogica-Petrographica, 94, 105. Abstract Series, Szeged, Vol. 7
Portugal
Braga Vieira do Minho Anjos e Vilar do Chão Muro Alto Mine ⓘ Western pegmatite	Dias, P. A., Pereira, B., Leal Gomes, C., & Guimarães, F. (2009). Structure and Mineralogy of the Muro Alto Granitic Pegmatite (Vieira Do Minho-Portugal) – Peculiar Assemblages of High-F Hydro-thermal Evolution. Estudos Geológicos, 19(2), 105.
Russia
Chelyabinsk Oblast Plastovsky District Svetlyi ⓘ Svetlinskii pegmatite quarry	Pavel M. Kartashov analytical data 2009
Sverdlovsk Oblast Prigorodny District Yuzhakovo Alabashka pegmatite field ⓘ Kazennitsa vein (Kazionnitsa)	http://webcenter.ru/~minbooks/murz_kaz.html
Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	Lapis 28(10), 60 (2003); Zap. Vseross. Mineral. Obshch., 132(2) pp. 49-59 ; Igor.V. Pekov, Lyudmila R. Memetova (2008) Minerals of the Lipovka Granite Pegmatites, Central Urals, Russia. Mineralogical Almanac 13:6-45
Rwanda
Western Province Ngororero District Muhororo ⓘ Buranga pegmatite	Bertossa, A. (1968) Inventaire des minéraux du Rwanda. Bulletin du Service Géologique de Rwanda: 4: 25-45.; Daltry, V.D.C. and von Knorring, O. (1998) Type-mineralogy of Rwanda with particular reference to the Buranga pegmatite. Geologica Belgica: 1: 9-15.
Slovakia
Bratislava Region Bratislava ⓘ Bratislava I	Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590
Devín ⓘ Jezuitské Lesy	Chudík P., Uher P., Gadas P., Škoda R., Pršek J., 2011: Niobium-tantalum oxide minerals in the Jezuitské Lesy granitic pegmatite, Bratislava Massif, Slovakia: To to Nb and Fe to Mn evolutionary trends in narrow Be, Cs-rich and Li, B-poor dike. Mineralogy and Petrology, 101, Special Issue: Accessory Minerals.
Pezinok District Limbach ⓘ Limbach brook	Uher, P., Žitňan, P. & Ozdín, D. (2006) Compositional Variations Of Pegmatite Nb-ta Mineral Assemblage From The Limbach Area, Malé Karpaty Mts., Slovakia. Acta Miner.-Petrograph.,Abstract Series 5, Szeged, p.125; Uher, P., & Zitnan, P. (2007). Pegmatitic Nb-Ta oxide minerals in alluvial placers from Limbach, Bratislava Massif, Western Carpathians, Slovakia: compositional variations and evolutionary trend. Journal of Geosciences, 52(1-2), 133-141.
Pezinok Slnečné Valley ⓘ Alluvial placers	Uher P., Žitňan P., Ozdín D., 2007: Pegmatitic Nb-Ta oxide minerals in alluvial placers from Limbach, Bratislava Massif, Western Carpathians, Slovakia: compositional variations and evolutionary trend. Journal of Geosciences, 52, 1-2, 133-141.
Košice Region Rožňava District ⓘ Gemerská Poloma	Koděra, M. et al., 1986 a 1990 : Topografická mineralógia Slovenska, diel 1- 3, Veda – Vydavateľstvo SAV, Bratislava, 1990, 1 – 1590k
Trenčín Region Prievidza District Jalovec ⓘ Ráztočno pegmatite	Uher, P.: Columbit-tantalit z pegmatitu při Ráztočne v pohorí Žiar (stredné Slovensko). Bulletin mineralogicko-petrografického oddělení Národního muzea v Praze, 2008, vol. 16, 1, 109-112.
Liešťany ⓘ Granitic pegmatite	Uher P., Števko M., Kurylo S. (2020): Minerály skupiny columbitu a mikrolitu v granitovom pegmatite pri Liešťanoch: prvý výskyt vzácnoprvkovej Nb-Ta mineralizácie v Strážovských vrchoch (Slovenská republika). Bulletin Mineralogie Petrologie 28, 2, 347-352 (in Slovak with English abstract).
Trnava Region Piešťany District ⓘ Moravany nad Váhom	Uher, P., Broska, I., 1989: Muskovitický pegmatit s obsahom minerálov vzácnych prvkov při Moravanoch n.V. (Považský Inovec). Min.Slovaca, 21,2,163 – 174
ⓘ Striebornica	Uher P., 2000: Minerály granitových pegmatitov Slovenska-súčasný stav poznatkov. Bulletin mineralogicko-petrologického oddělení Národního muzea v Praze, 8, 170-180.
South Korea
North Chungcheong Province Chungju City Joongwon-gun Mt. Eorae ⓘ Chungju deposit	P.M. Kartashov data
Spain
Castile and Leon Salamanca Golpejas-Vega de Tirados Golpejas Mining group ⓘ Tita Mine	Calvo, M. (2009): Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp.
Galicia Ourense Viana do Bolo ⓘ Penouta mines	Guldris Leon, L.; Hogmalm, K.J.; Bengtsson, M. (2020) Understanding Mineral Liberation during Crushing Using Grade-by-Size Analysis—A Case Study of the Penuota Sn-Ta Mineralization, Spain. Minerals 10, 164.
Pontevedra Forcarei Forcarei South pegmatite field ⓘ Presqueira pegmatite	Roza Llera, A.; Fuertes-Fuente, M.; Cepedal, A.; Martin-Izard, A. (2019) Barren and Li–Sn–Ta Mineralized Pegmatites from NW Spain (Central Galicia): A Comparative Study of Their Mineralogy, Geochemistry, and Wallrock Metasomatism. Minerals 9, 739.
Lalín ⓘ Lalín pegmatite field	Calvo, M. (2009): Minerales y Minas de España. Vol. IV, Óxidos e Hidróxidos. Escuela Técnica Superior de Ingenieros de Minas de Madrid - Fundación Gómez Pardo. 752 pp
USA
Alaska Dillingham Census Area Bristol Bay Mining District ⓘ Sleitat Prospect	U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225.
Colorado Larimer Co. Crystal Mountain Pegmatite Mining District (Storm Mountain Mining District) ⓘ Beryl No. 1 Claim	Minerals of Colorado (1997) E.B. Eckel
ⓘ Big Boulder Mine (Big Boulder Beryl Mine)	Minerals of Colorado (1997) Eckel, E. B.
Connecticut Fairfield County Bethel ⓘ Biermann Quarries (Bethel quarries) and tourmaline ledge	Fred Davis collection
Middlesex Co. East Hampton (Chatham) ⓘ Nathan Hall Quarry (Clark Hill Quarry)	Harold Moritz collection
Idaho Clearwater Co. Pierce City Mining District (Placer Mining District) Pierce Divide occurrence ⓘ Fohl picnic area	XRD by Jim Wilson of Weber State, Utah.
Maine Franklin Co. Madrid ⓘ Phillips Pegmatite	Wise, M. A., Francis, C. A., and Cerny (2012) Compositional and Structural Variations in Columbite-Group Minerals from Granitic Pegmatites of the Brunswick and Oxford Fields, Maine: Differential Trends in F-poor and F-rich Environments, Canadian Mineralogist, v. 50, p. 1515-1530.
Michigan Dickinson Co. Randville ⓘ Groveland Mine	Travis Olds collection
ⓘ Unnamed Pegmatite quarry ("Groveland" pegmatite)	Buchholz, T.W., A.U. Falster & W.B. Simmons (2014), Accessory Mineralogy of an Evolved Dickinson County, Michigan, Pegmatite, a presentation before the 41st. Rochester Mineralogical Symposium, April 25, 2014.
New Hampshire Grafton Co. Groton ⓘ Palermo No. 1 Mine (Palermo No. 1 pegmatite; Hartford Mine; GE Mine)	Rocks & Min. 80:256 (2005)
New Mexico Rio Arriba Co. Petaca District South Petaca ⓘ Globe pegmatite (Globe Mine)	Ex. Forrest Cureton, in the collection of Alex Earl
North Carolina Ashe Co. ⓘ Todd	www.excaliburmineral.com Smithsonian Institution Mineral Reference Collection No.103575-00
Gaston Co. Bessemer City ⓘ LCA Mine (Lithium Corporation of America Mine)	MinMax Mineral Information System
Yancey Co. Burnsville Hurricane Mountain ⓘ Ray Mica Mine (Wray Mine)	Miller, J.W. and Allen, C.W.
South Dakota Custer Co. Custer Mining District Custer ⓘ Old Mike mine (Great Northern; Old Mike M.S.2212)	Danas System of Mineralogy 7th ed
Lawrence Co. Tinton Pegmatite Mining District ⓘ Upper Bear Gulch (TL)	Černý,P., Ercit, T. S & Wise, M. A. (1992) The tantalite-tapiolite gap; natural assemblages versus experimental data. Canadian Mineralogist. 30: 587-596; Handbook of Mineralogy - Anthony, Bideaux, Bladh, Nichols
Virginia Amelia Co. Winterham ⓘ Morefield Mine (Morefield pegmatite)	Kearns, L.E., Martin, B.S., Wise, M.A. (2016) Mineral Discoveries at the Morefield Pegmatite of Amelia, Virginia. Mineral News: 32(3).
Wisconsin Marathon Co. Wausau Intrusive Complex Nine Mile Pluton ⓘ Koss pit	www.uwrf.edu/~wc01
Zimbabwe
Manicaland Buhera District ⓘ Corundum Blue Mine	Cairncross, B. (2004) Field Guide To Rocks & Minerals Of Southern Africa: 82.
Matabeleland North Hwange District Dete (Dett) ⓘ Kapata claims	Wolfgang Hampel, site visit May 2016
The Moon
Taurus-Littrow Valley ⓘ Apollo 17 landing site	Mokhov A.V., Kartashov P.M., Rybchuk A.P., Gornostaeva T.A., Bogatikov O.V. (2018) Tantalo–Niobate from the Apollo-17 Regolith // Doklady Earth Science, v. 478, pt. 1, pp. 112-114.