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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Chalcotrichite from
Ofuku mine (Yamato mine), Mine city, Yamaguchi Prefecture, Japan


Locality type:Mine
Classification
Species:Cuprite var: Chalcotrichite
Formula:Cu2O
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcotrichite data
Locality Data:Click here to view Ofuku mine (Yamato mine), Mine city, Yamaguchi Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:490206
Long-form Identifier:1:3:490206:5
GUID (UUID V4):0
References
Masutomi Museum specimens, Kyoto
(n.d.) Dr. Kameki Kinoshita collection, Geological Survey of Japan.
 
and/or  
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