Skutterudite

arsenide

hydrothermal

Formula: CoAs3
Arsenide
Forms a series with nickelskutterudite
Specific gravity: 6.5
Hardness: 5½ to 6
Streak: Black
Colour: Tin-white to silver-grey, grey
Environments:

Hydrothermal environments

Skutterudite is a hydrothermal ore mineral, as are most primary cobalt minerals, (AM102.108-116) found in medium to high temperature veins with other nickel-cobalt minerals, associated with nickeline, cobaltite, arsenopyrite, silver, bismuth, calcite, siderite, baryte and quartz (HOM).

Common impurities: S,Bi,Cu,Pb,Zn,Ag,Fe,Ni

Back to Minerals