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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Pyrite from
Little Johnny Property (No. 27 G. P. Quad), Gold Hill Mining District, Jackson County, Oregon, USA


Locality type:Property
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Little Johnny Property (No. 27 G. P. Quad), Gold Hill Mining District, Jackson County, Oregon, USA
Data Identifiers
Mindat Occurrence Record ID:282172
Long-form Identifier:1:3:282172:6
GUID (UUID V4):0
References
(1943) Oregon Metal Mines Handbook - Southwestern Oregon - Jackson County. Vol 2-2. Bulletin 14-C, Oregon Department of Geology and Mineral Industries.p.86
 
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