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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Chalcocite from
Bois du Roi, Les Chaillats (Chaillat), Servant, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Mine
Classification
Species:Chalcocite
Formula:Cu2S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcocite data
Locality Data:Click here to view Bois du Roi, Les Chaillats (Chaillat), Servant, Riom, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:220693
Long-form Identifier:1:3:220693:6
GUID (UUID V4):0
Nearest other occurrences of Chalcocite
2.3km (1.4 miles) ⓘBeauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France
53.0km (33.0 miles) ⓘBigay Mine, Lachaux, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
53.2km (33.1 miles) ⓘMontebras Mines, Montebras, Soumans, Aubusson, Creuse, Nouvelle-Aquitaine, France
58.7km (36.4 miles) ⓘLiauzun, Olloix, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
63.4km (39.4 miles) ⓘLe Limouzat Mine (incl. Le Limouzat Quarry; BN3; BN5; BN6), Les Bois-Noirs Mining Claim, Saint-Priest-la-Prugne, Roanne, Loire, Auvergne-Rhône-Alpes, France
65.7km (40.8 miles) ⓘCharrier Mine, Laprugne, Vichy, Allier, Auvergne-Rhône-Alpes, France
70.4km (43.7 miles) ⓘLes Rats Mine, Le Crozet, Roanne, Loire, Auvergne-Rhône-Alpes, France
72.8km (45.3 miles) ⓘLa Bombarde, Saint-Romain-d'Urfé, Roanne, Loire, Auvergne-Rhône-Alpes, France
81.7km (50.8 miles) ⓘChaméane Uranium Deposit, Le Vernet-Chaméane, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
84.5km (52.5 miles) ⓘGrezolette Mine, Saint-Martin-la-Sauveté, Roanne, Loire, Auvergne-Rhône-Alpes, France
References
G. Aubert : "Les coupoles granitiques de Montebras et d'Echassières (Massif Central Français) et la genèse de leur minéralisations (BRGM, 1969)
 
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