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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Valentinite from
Koboushi mine (Koboshi mine; Kouboshi mine; Kohboshi mine), Tobe-cho, Iyo district, Ehime Prefecture, Japan


Locality type:Mine
Classification
Species:Valentinite
Formula:Sb2O3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Valentinite data
Locality Data:Click here to view Koboushi mine (Koboshi mine; Kouboshi mine; Kohboshi mine), Tobe-cho, Iyo district, Ehime Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:787608
Long-form Identifier:1:3:787608:0
GUID (UUID V4):0
References
Minakawa, T. (1982) Geoscience Magazine, 32, 187-190.
 
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