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Formula: Cu0.9Ag0.5Pb0.6Bi2.5S5
Sulphosalt, bismuth and silver
bearing mineral
Crystal System: Monoclinic
Specific gravity: 7.04 calculated
Hardness: 2
Streak: Lead-grey
Colour: Lead-grey to tin-white
Common impurities: Sb
Environments
Cupropavonite occurs in zoned mesothermal base metal and precious metal veins. Associated minerals
include pavonite, gustavite,
cuprobismutite and berryite
(HOM).
Localities
The type locality is the Alaska Mine, Poughkeepsie Gulch, San Juan County, Colorado, USA. A sample from here contained
crystals of pavonite with exsolved cupropavonite, associated with
interstitial gustavite
(AM 65.206).
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