Cuprobismutite Mineral Data
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General Cuprobismutite Information
Chemical Formula:
Cu10Bi12S23
Composition:
Molecular Weight = 3,880.74 gm
Copper
16.37 % Cu
Bismuth
64.62 % Bi
Sulfur
19.00 % S
______
100.00 %
Empirical Formula:
Cu
10
Bi
12
S
23
Environment:
In quartz veins with other sulfides.
IMA Status:
Valid Species (Pre-IMA) 1884
Locality:
In the USA, at the Missouri mine, Hall's Calley, Park Co., and the Silver Cliff, Custer Co., Colorado. Link to 
MinDat.org
Location Data.
Name Origin:
For the composition.
Synonym:
ICSD 38364
PDF 29-536