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Formula: Pb12As16S36
Sulpharsenite,
sartorite group
Specific gravity: 5.33 to 5.44
Hardness: 3
Streak: Chocolate-brown
Colour: Lead-grey, steel-grey, iridescent at times
Common impurities: Sb
Environments
Metamorphic environments
Hydrothermal environments
Localities
At the type locality, the Lengenbach Quarry, Fäld, Binn, Goms, Valais, Switzerland, baumhauerite occurs in
sugary dolomite, associated with
argentobaumhauerite, other
lead sulphosalts, realgar,
pyrite and
dolomite
(HOM, Mindat).
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