Carrolite


Composition: CuCo2S4
Crystal System : Cubic
Colours: Steel-grey
Lustre : Metallic
Hardness (H) : 4.5-5.5
Specific Gravity (S.G) : 4.5-4.8

Distribution

Extremely rare.

Occurrence

  • Hypogene

Notable Finds

Tiny crystals of Ni-rich carrolite, only visible by reflected light microscopy.