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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Wickmanite from
Tsumeb, Oshikoto Region, Namibia


Locality type:Constituency
Classification
Species:Wickmanite
Formula:Mn2+[Sn(OH)6]
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Wickmanite data
Locality Data:Click here to view Tsumeb, Oshikoto Region, Namibia
Data Identifiers
Mindat Occurrence Record ID:455270
Long-form Identifier:1:3:455270:3
GUID (UUID V4):0
References
rruff.geo.arizona.edu (n.d.) http://rruff.geo.arizona.edu/doclib/hom/wickmanite.pdf.
 
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