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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Tenorite from
Afterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA


Locality type:Mine
Classification
Species:Tenorite
Formula:CuO
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tenorite data
Locality Data:Click here to view Afterthought Mine, Ingot, East Shasta Copper - Zinc Mining District, Klamath Mountains, Shasta County, California, USA
Data Identifiers
Mindat Occurrence Record ID:647209
Long-form Identifier:1:3:647209:2
GUID (UUID V4):0
References
Hanks, Henry Garber (1884), Fourth report of the State Mineralogist: California Mining Bureau. Report 4, 410 pp.: 260.
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 361
 
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