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


Locality type:Mine
Classification
Species:'Tennantite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)As4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tennantite Subgroup 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:220705
Long-form Identifier:1:3:220705:6
GUID (UUID V4):0
Nearest other occurrences of Tennantite Subgroup
2.3km (1.4 miles) ⓘBeauvoir quarry, Échassières, Vichy, Allier, Auvergne-Rhône-Alpes, France
48.2km (29.9 miles) ⓘBancherelle Mine, Ris, Thiers, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
53.2km (33.1 miles) ⓘMontebras Mines, Montebras, Soumans, Aubusson, Creuse, Nouvelle-Aquitaine, France
53.2km (33.1 miles) ⓘLes Roches quarry, Montebras, Soumans, Aubusson, Creuse, Nouvelle-Aquitaine, France
58.7km (36.4 miles) ⓘLiauzun, Olloix, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
65.7km (40.8 miles) ⓘCharrier Mine, Laprugne, Vichy, Allier, Auvergne-Rhône-Alpes, France
66.5km (41.3 miles) ⓘChâteaumorand and RN7 slope, Saint-Martin-d'Estréaux, Roanne, Loire, Auvergne-Rhône-Alpes, France
83.0km (51.6 miles) ⓘLes Farges Mine, Ussel, Ussel, Corrèze, Nouvelle-Aquitaine, France
96.0km (59.7 miles) ⓘBosberty vein, Anzat-le-Luguet, Issoire, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
99.2km (61.6 miles) ⓘLe Boucheron, Davignac, Ussel, Corrèze, Nouvelle-Aquitaine, 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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