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Formula: (Co0.5Fe0.5)AsS
Sulphide, arsenopyrite group,
cobalt-bearing mineral
Specific gravity: 6.055
Hardness: 5
Streak: Black
Colour: Greyish tin-white to reddish silver-white
Common impurities: Ni
Environments
Glaucodot occurs in deep seated, high temperature hydrothermal deposits (Webmin, Mindat) associated with
cobaltite, pyrite and
chalcopyrite
(Mindat, HOM).
Localities
The type locality is Huasco, Huasco Province, Atacama, Chile.
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