Chemistry:Vaesite

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Vaesite
Vaesite-626130.jpg
Vaesite on a matrix
General
CategorySulfide minerals
Formula
(repeating unit)
NiS2
Crystal systemIsometric
Identification
ColorBlack, silver-gray
CleavageDistinct/Good {001}
Mohs scale hardness4,5 - 5,5
|re|er}}Metallic
StreakBlack
DiaphaneityOpaque
Specific gravity4.45
References[1]

Vaesite (NiS2) is a mineral found together with cattierite in the Democratic Republic of Congo. It is named after Johannes F. Vaes, a Belgian mineralologist.[3] It is part of the pyrite group.[1]

References