Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Umangite from
Chaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


00929270017367542528044.jpg
Umangite

Chaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
00929270017367542528044.jpg
Umangite

Chaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
08706380017360851942473.jpg
Umangite

Chaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Locality type:Deposit
Classification
Species:Umangite
Formula:Cu3Se2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Umangite data
Locality Data:Click here to view Chaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:113648
Long-form Identifier:1:3:113648:7
GUID (UUID V4):0
References
Anthony, John Williams, Bideaux, Richard A., Bladh, Kenneth W., Nichols, Monte C. (1990) Handbook of Mineralogy Vol. 1 - Elements, Sulfides, Sulfosalts. Mineral Data Publishing, Tucson, Arizona.
Simon, Grigore, Kesler, Stephen E., Essene, Eric J. (1997) Phase relations among selenides, tellurides, and oxides; II, Applications to selenide-bearing ore deposits. Economic Geology, 92 (4) 468-484 doi:10.2113/gsecongeo.92.4.468
 
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