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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Selenite from
Royat, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France


Locality type:Commune
Classification
Species:Gypsum var: Selenite
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Selenite data
Locality Data:Click here to view Royat, Clermont-Ferrand, Puy-de-Dôme, Auvergne-Rhône-Alpes, France
Data Identifiers
Mindat Occurrence Record ID:108463
Long-form Identifier:1:3:108463:4
GUID (UUID V4):0
References
 
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