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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Dufrénoysite from
Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA


Locality type:Mining District
Classification
Species:Dufrénoysite
Formula:Pb2As2S5
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Dufrénoysite data
Locality Data:Click here to view Cerro Gordo Mining District, Inyo Mts (Inyo Range), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:146455
Long-form Identifier:1:3:146455:9
GUID (UUID V4):0
References
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 178
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 50, 172.
 
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