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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Tetrahedrite Subgroup from
Le Valadou, Ladignat, Saint-Just-près-Brioude, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France


Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Le Valadou, Ladignat, Saint-Just-près-Brioude, Brioude, Haute-Loire, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:245396
Long-form Identifier:1:3:245396:5
GUID (UUID V4):0
References
Périchaud, J.-J. (1968) Les Gisements Métalliques du District à Antimoine de Brioude-Massiac (Massif Central Français). BRGM, xx pp.
 
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