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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Acanthite from
Minietta Belle Mine, Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA


Locality type:Mine
Classification
Species:Acanthite
Formula:Ag2S
Comments:Occurs as an important mineral.
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Acanthite data
Locality Data:Click here to view Minietta Belle Mine, Minnietta Mine (Minnietta Mines; Minietta Mine; Minneatta; St. John), Lookout City, Lookout Mining District (Modoc Mining District), Argus Mts (Argus Range), Inyo County, California, USA
Data Identifiers
Mindat Occurrence Record ID:640345
Long-form Identifier:1:3:640345:4
GUID (UUID V4):0
References
Hanks, Henry Garber (1886), Sixth report of the State Mineralogist: California Mining Bureau. Report 6 part 1, 145 pp.: 93
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geology Bulletin 189: 83.
 
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