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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Jasper from
Iron County, Wisconsin, USA


Locality type:County
Classification
Type:Jasper
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Jasper data
Locality Data:Click here to view Iron County, Wisconsin, USA
Data Identifiers
Mindat Occurrence Record ID:360401
Long-form Identifier:1:3:360401:4
GUID (UUID V4):0
References
Ransom, Jay Ellis (1974) Gems and Minerals of America - A Guide to Rock Collecting. Harper & Row.
 
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