IMA mineral species

Siegenite

CoNi₂S₄

Spinel, sulfide mineral.

PurpleGray

Siegenite specimen
Siegenite-261468.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCoNi₂S₄
ElementsCo, Ni, S
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSeg
Nickel–Strunz class2.DA.05

“—” means no reliable value in Wikidata yet. Check Mindat for full data.