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
Besshi mine (Bessi mine), Besshi, Niihama City, Ehime Prefecture, Japan


Locality type:Mine
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 Besshi mine (Bessi mine), Besshi, Niihama City, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:150479
Long-form Identifier:1:3:150479:8
GUID (UUID V4):0
References
Rocks & Minerals: 21: 568-569.
 
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