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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Plagioclase from
Cabane des Douaniers, Cervières, Briançon, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France


Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Comments:In lherzolite.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Cabane des Douaniers, Cervières, Briançon, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France
Data Identifiers
Mindat Occurrence Record ID:310596
Long-form Identifier:1:3:310596:2
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
2.4km (1.5 miles) ⓘMonte Gimont east slope (Grand Charvia east slope), Cesana Torinese, Metropolitan City of Turin, Piedmont, Italy
3.3km (2.1 miles) ⓘMont de la Plane northeast slope, Claviere, Metropolitan City of Turin, Piedmont, Italy
4.6km (2.9 miles) ⓘColle di Bousson, Cesana Torinese, Metropolitan City of Turin, Piedmont, Italy
5.2km (3.2 miles) ⓘLago Nero spilite outcrop, Cesana Torinese, Metropolitan City of Turin, Piedmont, Italy
18.9km (11.7 miles) ⓘTroncea, Troncea Valley, Pragelato, Metropolitan City of Turin, Piedmont, Italy
25.2km (15.6 miles) ⓘRio Geronda Valley, Salbertrand, Metropolitan City of Turin, Piedmont, Italy
30.3km (18.8 miles) ⓘPunta Muret gneiss outcrop, Perrero, Metropolitan City of Turin, Piedmont, Italy
31.4km (19.5 miles) ⓘRoche Noire west slope, Ceillac, Briançon, Hautes-Alpes, Provence-Alpes-Côte d'Azur, France
41.6km (25.9 miles) ⓘPasso Gallarino, Oncino, Cuneo Province, Piedmont, Italy
87.2km (54.2 miles) ⓘPiana del Valasco, Terme di Valdieri, Valdieri, Cuneo Province, Piedmont, Italy
References
wwwpsvt.free.fr (2004) http://wwwpsvt.free.fr/svt/geol/alpes/chenaillet.htm
 
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