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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Muscovite from
Barlet Fluorite Mine (La Drey Mine; La Dreyt Mine; La Costette Mine), Barlet, Langeac, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Comments:- Muscovite 2M1 and 1M associated with quartz, after feldspaths
- Muscovite associated with copper and iron sulfates ann illite on quartz with altered chalcopyrite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Barlet Fluorite Mine (La Drey Mine; La Dreyt Mine; La Costette Mine), Barlet, Langeac, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:243446
Long-form Identifier:1:3:243446:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
1.0km (0.6 miles) ⓘMarsanges Mine, Marsanges, Langeac, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
14.8km (9.2 miles) ⓘLes Sausses Mine, Chavaniac-Lafayette, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
19.3km (12.0 miles) ⓘChantel, Saint-Ilpize, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
20.1km (12.5 miles) ⓘBouchassou stream alluvial deposits, Ribeyre, Saint-Ilpize, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
24.0km (14.9 miles) ⓘRicoules Mine (Rousseille Mine; Brugerolle Mine), Vieille-Brioude, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
24.0km (14.9 miles) ⓘCoste-Cirgues stream alluvial deposits, Vieille-Brioude, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
28.6km (17.8 miles) ⓘChalon stream alluvial deposits, Le Moulin de Blanzac, Blanzac, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
30.1km (18.7 miles) ⓘChalon stream alluvial deposits, Chanceaux, Polignac, Le Puy-en-Velay, Haute-Loire, Auvergne-Rhône-Alpes, France
31.7km (19.7 miles) ⓘBosbomparent (Bosbonparent), Saint-Beauzire, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
32.6km (20.3 miles) ⓘAllevier, Azérat, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
References
Pélisson, P.G. (1989) Etude Minéralogique et Métallogénique du District Filonien Polytype de Paulhaguet (Haute-Loire, Massif Central Français). Orléans.
 
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