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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Calcite from
Blaine Tunnel, Silver City Mining District (Carson Mining District), Owyhee County, Idaho, USA


Locality type:Tunnel
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Blaine Tunnel, Silver City Mining District (Carson Mining District), Owyhee County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:455361
Long-form Identifier:1:3:455361:8
GUID (UUID V4):0
References
Ream, Lanny R. (2004) Idaho Minerals (2nd ed.) L. R. Ream Publishing.
 
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