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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Rock Crystal from
Sakazuki, Tomari, Furuu district, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan


Classification
Species:Quartz var: Rock Crystal
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Rock Crystal data
Locality Data:Click here to view Sakazuki, Tomari, Furuu district, Shiribeshi Subprefecture, Hokkaidō Prefecture, Japan
Data Identifiers
Mindat Occurrence Record ID:903116
Long-form Identifier:1:3:903116:6
GUID (UUID V4):0
References
Michael Meder field collected specimens
 
and/or  
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