Minerals identify

Know how to recognize them

Siegenite

Sulfide mineral,thiospinel group,spinel structural group

Siegenite is a cobalt sulfide mineral with formula: (Ni,Co)3S4 (a member of the thiospinel group ). It occurs as opaque steel gray octahedral crystals associated with other sulfides.

Identification

Color of mineral

Grey
Violet

Mohs scale ( mineral hardness )

4.5

The streak

Black

Luster ( interacts light )

Metallic

Crystal ( diaphaneity )

Cubic