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Formula: Ag3Pb10Sb11S28
Sulphosalt, silver-bearing mineral
Crystal System: Monoclinic
Specific gravity: 6.25 measured, 6.43 calculated
Hardness: 2&2189;
Streak: Grey on paper, reddish brown on porcelain
Colour: Light steel-grey to silver-white, tarnishes yellow
Common impurities: Cu,Fe
Environments
Owyheeite occurs in veins of hydrothermal origin, associated with galena,
sphalerite, pyrite,
arsenopyrite, chalcopyrite,
tetrahedrite, pyrargyrite,
diaphorite, miargyrite,
jamesonite, boulangerite,
ramdohrite, andorite and
meneghinite
(HOM).
Localities
At the type locality, the Poorman Mine, Silver City Mining District, Owyhee county, Idaho, USA, owyheeite was found in a
white quartz vein immediately associated with small amounts of
pyrargyrite, sphalerite and muscovite
variety sericite
(AM 6.82-83).
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