Formula: NiS2
Sulphide, pyrite group, forms a series with
cattierite, nickel-bearing mineral
Specific gravity: 4.45
Hardness: 4½ to 5½
Streak: Black
Colour: Black, silver-grey
Common impurities: Co,Fe
Environments
Vaesite occurs associated with arsenic-deficient
nickelskutterudite, pyrite,
polydymite and uraninite
(HOM).
Localities
At Schneeberg, Erzgebirgskreis, Saxony, Germany, vaesite occurs as a
secondary alteration product of
arsenic-deficient
nickelskutterudite
(Webmin, HOM).
At the type locality, the Kasompi Mine, Kolwezi mining district, Lualaba, DR Congo, vaesite occurs disseminated
through dolostone
(HOM).
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