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Opal from
Cassagna Mine, Ne, Genoa, Liguria, Italy


Locality type:Mine
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Cassagna Mine, Ne, Genoa, Liguria, Italy
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:710969
Long-form Identifier:1:3:710969:0
GUID (UUID V4):6143c8ac-f3d0-409c-926d-e3938c76c3e5
Nearest other occurrences of Opal
1.3km (0.8 miles) Nascio, Ne, Genoa, Liguria, Italy
1.7km (1.0 miles) Molinello Mine, Ne, Genoa, Liguria, Italy
3.3km (2.1 miles) Gambatesa Mine, Reppia, Ne, Genoa, Liguria, Italy
24.5km (15.2 miles) Monte Nero Mine, Rocchetta di Vara, La Spezia Province, Liguria, Italy
51.1km (31.7 miles) Mt. Ramazzo Mine, Borzoli, Genoa, Genoa, Liguria, Italy
53.8km (33.5 miles) Varenna Valley, Genoa, Genoa, Liguria, Italy
59.3km (36.9 miles) Lucchetti Quarry (Strinato B Quarry; Strinato Quarry), Fantiscritti, Miseglia quarrying basin (Miseglia-Fantiscritti quarrying basin; Fantiscritti quarrying basin), Carrara, Massa-Carrara Province, Tuscany, Italy
60.0km (37.3 miles) I Piani, Masone, Genoa, Liguria, Italy
62.0km (38.5 miles) Faieto quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy
62.4km (38.7 miles) Case Montanini quarry, Sant'Andrea Bagni, Medesano, Parma Province, Emilia-Romagna, Italy
References
Reference Search (possible matching items)
Journal (issue)
Articles The Val Graveglia m anganese district, Liguria, I t a ly .......................................Donato, Italy macco.marchesini@agip.it Renato Pagano Casella Postale 37 1-20092 Cinisello, Italy renpagan@tin...Val Graveglia area, Genoa Province, Northern Italy. 1— Cassagna mine 2—Gambatesa mine 3— Molana quarry 4—...Molinello mine 5— Monte Bardeneto prospect 6— Monte Bianco copper mine 7— Monte Bossea mine 8— Monte Coppello-Reppia...Coppello-Reppia prospect 9— Monte Porcile mine 10— Nascio 11—Scrava mine 12— Pontori Prospect h CD ^ .L IG
Catalog/List
surface. It's about lm thick Cassagna Mine, Ne ,Graveglia Valley, Liguria Italy, I collected it in 2019....botryoidal 1cm x 8mm on 2.5xlcm Penberthy Croft Mine St Hilary Cornwall £6 - the type location 19 URBANITE...Scotland £10 27 SUGILITE mauve chip about 8mm Wessels mine, North Cape Province South Africa £8 31 CLINTONITE...cm, x5mm with pinkish Scawtite on the end, Fuka Mine, Bicchu town Okayama prefecture Japan overall size...obvious brown masses in 3xl cm Faiallo pass, Genoa Italy £8 46 BARYTES, the classic oakstone. A cut and
Catalog/List
covering small quartz crystals 3x3cm Bwlch I Glas Mine, Tal-y-Bont Ceredigion Wales £6 I 19 NIFONTOVITE...1cm long and 3 mm across on very small matrix Fuka Mine, Okayama Japan £ 15 -20 - TANXALITE-obv:iousblac~...creamy white cleavable like a feldspar 6x3cm £25 Fuka Mine,m Okayama Prefecture Japan , (photo left) 23B) smaller...obvious brown mass in 3x2 Casagna Mine, Graveglia Valley Liguria Italy £ 10 L...~~--------1 --=2q_ PR...an~ schis~_ Curiglia, Varese Province, Lombardy Italy 1.5cm£10 --- ------ - ·=- - 30 CHRYSOCOLLA,
Book
Translation © Orbis Publishing Limited 1972 Printed in Italy by IGDA, Novara SBN O 85613 0001 For many years...65 olivine 75, 75 onyx 32 opal 32 opal, fire 32, 33 opal, precious 32, 33 opal, wood 32, 33 orpiment J8...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be...If on .the other hand \Ve should carry out the sa,ne tests on other substances such as bauxite, porphyry...it has traditionally been accepted that mercury, opal, and chrysocolla, among others, should be grouped
Translation © Orbis Publishing Limited 1972 Printed in Italy by |GDA, Novara SBN O 85613 0001 For many years...106 rock crystal 28; 31 opal, fire 32, 33 tiger’s eye 31 tinzenite91 opal, precious 32, 33 libethinite...libethinite 65, 65 liebigite 53 limonite 37 opal, wood 32, 33 rutile 33, 33 orpiment 18 sagenite 33 sanidine...thenardite 55 thomsonite 117, /2/ thulite 88 onyx 32 opal 32 leucite 76, 109, 111 lithiophilite 65 ludwigite...it has traditionally been accepted that mercury, opal, and chrysocolla, among others, should be grouped
Book
with Orbis Publishing Limited abcdefgh Printed in Italy by IGDA, Novara Adapted from the original Italian...32 opal 32 leucite 76, 109, 111 libethinite 65, 65 opal, fire 32, 33 opal, precious 32, 33 opal, wood...strictly above. And while it has that mercury, opal, and should be grouped with speaking they should...(Yugoslavia), some mines on Mount Amiata, Tuscany (Italy), and Almadén (Spain). In the United States it...Filiform silver. Nicola Secci, Sarrabus, Sardinia (Italy) Dendritic copper famous (Michigan) 1822. It
Journal (article/letter/editorial)
CHERT OVERLYING OPHIOLITES IN THE NORTH APENNINES, ITALY T.J. BARRETT* Department of Geology and Mineralogy...North Apennines, Italy. Chem. Geol., 34: 289--317. In the North Apennines of Italy, bedded chert of Upper...thick sections on the island of Elba, and in East Liguria. The sections consist of two main alternating lithologies:...Index map and general geology of parts of East Liguria (a) and East Elba (b). Oceanfloor sequences are...in East Liguria, and from East Elba. Some samples are from Rocchetta di Vara, in East Liguria. Letters
Journal (issue)
Special issue on the minerals of Penberthy Croft Mine Published by Rock Bottom Publications Ltd. Nottingham...(2000) Famous mineral localities: Penberthy Croft mine, St. Hilary, Cornwall, England 20:7-37 Bevins, R... D. (1999) Famous mineral localities: Ting Tang mine, Gwennap, Cornwall 19:18-23 CLARK, A.M. (1998) Earth's...P. (1995) Crystallized Enargite from the Gregory mine, Ashover, Derbyshire 15:28-29 DAY, B. (1998) Collecting...from Boulby mine, Cleveland 14:4-8 __& McCALLUM, D. (1993) Millerite from Brownley Hill mine, Nenthead
Catalog/List
South Africa,Cobaltian Gersdorffite from Gortdmm Mine Containing unusual elements , Iquiqueite,Galkhaite...SIZES SS Cheerful, 18 miles NNW of 1cm £ Crystall i ne nodule that formed on 1111 ABHURITE 6 St Ives. Cornw...grey masses with possible Als1oni1e Fallowficld mine. Ix½ £4 Ba Ca C0/3 micros. Hexham.Nonhumbcrlond...£6 ½x½£3 ALUMINOTSCHERMAKITE Dark green crystall i ne in ZoisitcLong i do Tanzan i a �phibolc _ __ __ _..._ _ __ ___ _____ _ _ _ _ 21 7 ANDORITE San Jose Mine, Oruro. Bol ivia 6x6mm £3 Pure grey metallic mass
Catalog/List
cleavage Yakutia.Russia MnS lxl £9 ½x½ £3 IX½ Rawhide Mine. Mohave 255 ALA!\IOSITE Rich white cruslS on matrix...botryoidal with possible New East Wheat Russell mine, ½x½ 501 ALLOPHANE £4 -·-· . . ALSiO £2.SO B~~.~~~~t~...grey masses '1.\ith possible Alstonite Fallowfield mine, Ix½ £4 13 ALSTONITE BaCaCO/3 micros. Hexham,Northumberland...- - · - --·· -·Pure grey metallic mass San Jose Mine, Oruro. Bolivia 6x6mm £3 217 A1'DORITE . PbAgSb_S...£1.JQ .. .. F~ls~ar_G!_?~P 2x2 £2 lx2£1 Kaveltorp Mine Sweden Rich fawn sheaves in silvery schist 27 ANTHOPHYLLITE
Book (edition)
MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Domafov, Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite...piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page 3: Stepite on arsenic, 45 111111,Jachymov...2(4) - 4.0(6) - 2.58(10) - 2.04(5). At the Kiura mine, Saiki City, Oita pref., Japan. IMA 2012-101. Adolfpateraite
Book
AltaviIla, Vicenza, Italy ( x 2) Fig. 1.1 G. Natrolite from AltaviIla, Vicenza, Italy ( x 10) Fibrous...mesolite", a variety found at Rio Cambone, Sardinia, Italy, at Kladno, Bohemia (see Foster 1965) and at Waniguchi...Thermal curves of natrolite from Tierno, Trento, Italy (N2 of Alberti et al. 1982a); in air, heating rate...Montecchio Maggiore and Altavilla, Vicenza, all Italy; - in Tertiary basalts of Nova Scotia (see also...Rhinegraben (Heling 1978). Italy: in the metagabbros of the "Gruppo di Voltri", Liguria (Cortesogno et al. 1975)
Book (edition)
polished, 70 mm, Anjanabonoina, Madagaskar, G Page 5: Opal - fire, polished, 50 mm, Mezezo, Ethiopia, G Page...Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...Tenacity properties in all directions), as No and Ne for optically uniaxial minerals. and as Np, Nm, and...opaque, Juster brown. luster vitreous. H > 4. D = 321. Ne,o = 1.586. metallic. Sectile. H 2-2.5. D = 7.22....Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO
Journal (issue)
and exhibitors, to the Franklin Mineral Museum and Mine Replica with its outstanding mineral exhibits, fluorescent...display and unusual mine replica depicting a typical working place down in the Franklin mine, and also to the...encountered minerals occurring at the Sterling Hill mine, some of which are totally new to science. The Franklin-Sterling...a mineral, new to science, at the Sterling Hill mine. We are pleased to announce the discovery of yet...yet another mineral, new to science, from the same mine. Your editor quotes the following, intact, from
Book (edition)
amber, a solidified resin from coniferous trees; opal, an amorphous variety of hydrated silica; and limonite...sample of scheelite, coming from Traversella (Turin, Italy), in light natural (above) and exposed Other...quotation marks. Examples are a mineraloid, "amber" or "opal"; an amorphous mixture of minerals, "limonite";... 56 Nitrogen Sodium Si Hf Li 5 N Na Nb Nd Ne 26 100 87 Iron Helium Hafnium Kr La 13 95 18...that a collector in the field should visit are mine dumps and quarry rubble heaps, where there will
Book
Crystals up to 140mm (5½ in) long occurred in the Ray mine and in Bisbee, Arizona, USA. Very fine spinel-law...100 mm (4 in) long, come also from the San Genaro Mine in Huancavelica and Uchucchaqua, Peru. New finds...Dorado, California, US.A. Gold, 68 mm, Eagle's Nest Mine, California, US.A. Gold gold on it. Typical aggregates...many localities in California, USA (Colorado Quartz mine, Nigger Hill and others). Fine leaf gold comes from...mm (4 5/i6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets
Book
Crystals up to 140mm (5'A in) long occurred in the Ray mine and in Bisbce, Arizona, USA. Very fine spincl-law...100 mm (4 in) long, come also from the San Gcnaro Mine in Huancavclica and Uchucchaqua, Peru. New finds...many localities in California, USA (Colorado Quartz mine. Nigger Hill and others). Fine leaf gold comes from...110 mm (47.6 in) long were very rare in Ground Hog mine, Gilman, Colorado, USA. The largest known sheets...of crystallized gold occurred in the Jamestow n mine. California, USA, where a cavity, which yielded
Journal (issue)
Relation to Subjacent "Oceanic Crust" in L1guria, Italy . . . . . . . . . . . . . . . . . . . . . . . ....THEIR RELATION TO SUBJACENT "OCEANIC CRUST" IN LIGURIA, ITALY' ROBERT L. FOLK AND EARLE F. McBRIDE Department...silica cement as either microcrystalline quartz or opal C-T around more resistant Radiolaria during burial...revised May 1, 1978. Elter and Giglia, 1976). In Italy, radiolarites were deposited in two contrasting...ophiolites, probable oceanic crust, mainly in Liguria. This report concerns the petrography and petrology
Book
On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...[the Santa Lucia and Sa Duchessa mines,] Sardinia [Italy] (by F. Olmi, C. Sabelli & G. Brizzi) 19:305-310...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALBERTINI, CLAUDIO Famous mineral localities: Baveno, Italy 14:157168 ALBITE Davis Hill near Bancroft, Ontario:...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE
Book
are: Russia (46), United States of America (34), Italy (19), Canada (16), People's Republic of China (11)...Czech Republic Finland France Germany Greece India Italy Japan Kazakhstan Kyrgyzstan Moon Nu111ber of Species...(trigonal) HBaAl 3 (AsOJ 2 (0H) 6 Locality: The Clara mine, near Oberwolfach, in the middle Black Forest, Germany...)(CO 3 )s(OH) 2 ·1.SH2 O Locality: T he Kamoto East mine, District ofKolwezi, southern Shaba, Zafre (Lat...Fossa crater, Vulcano, Aeolian Islands, Sicily, Italy. Oca,rretzce: As fumarolic encrustations. Associated
Book
Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...Oblast. Alpine-type clefts in the famous Dodo quartz mine commonly contain ilmenite, occurring as lustrous...ilmenite crystals as described here for the Dodo mine. In general, ilmenite crystals from the Subpolar
Book (edition)
Short Hills, New Jersey. Renato Pagano: Milan, Italy. Ole V. Petersen: Geologisk Museum, Copenhagen,...extent of producing diffraction patterns (e.g., opal), (2) metamict materials that were crystalline at...few materials by X-ray diffraction order (e.g., opal). Lattice constants are generally derived es be...fibrous minerals Columbite, wolframite Quartz Opal, some yellow varieties of sphalerite Nepheline Tale...NOTATION FOR REFRACTIVE INDICES eel Ng or n, or N, ne idk, Ny n, or Ol or or or No Ny Np Dm Ng 7MB8
Journal (issue)
38 by R. Cobban Metamict minerals at the Bemco mine near Cranberry Lake, New Jersey ..................cinnabar mines 2 Musonoi uranium mine, Katanga, Zaire N’Chwaning mine, Kuruman, South Africa Mibladen...of smoking, silica dust, and radioactivity in the mine may be complicating factors. Manganese mineral dust...= {210}, / = {311}. (c) Ferroaxinite, Botallach mine, St. Just, Cornwall, England; <7= {151}. (d) Manganaxinite...(1) Canada near Hope, British Columbia (1) Moneta mine, Timmins, Ontario (1) Czechoslovakia Davie, near
Journal (issue)
Articles Famous mineral localities: the Taewha mine, K orea...........................................COVER: WULFENITE with mimetitefrom the San Francisco mine near Magdalena, Sonora, Mexico. The large crystal...Alfredo Ferri, / Sassi de Alfredo Ferri (Milan, Italy) Chris and Agatha Galas, Galas Minerals (Delhi,...Himalaya mine, Mesa Grande, California Tourmaline Queen mine, Pala, California Pala Chief mine, Pala, California...Ledge mine, Washington, California Benitoite Gem mine, San Benito Co., California U.S. Borax mine, Boron
Journal (issue)
Mitglied bei „Stop AIDS" usw. Hervorzuheben ist auch sei ne Bestrebungen zu r Gewinnung von NachwuchsMinerali...englischsprachige Ausgabe unseres großen Namibia-Buches wä re oh ne seine Mitarbeit so nicht mögl ich gewesen. Claus...über ein Fiat mit Plumbophyllit von der Blue Bell Mine (San Bernardino Co., California, USA) - eine anerkannte...wenig Spfialerit, Cfialkopyrit und Calcit. Wudong Mine, Liubao (., Babu"), Cangwu County, Wuz{1ou , Guangxi...haben. Ich kann nicht erkennen, wie ein Erdbeben ei ne Banane dazu brin gt, sich in Ca lcit umzuwa ndeln
 
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