IMA mineral species

Skutterudite

CoAs₃

Perovskite structure, arsenide mineral.

GoldBrownGrayWhite & Clear

Skutterudite specimen
Skuttérudite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density6.84 g/cm³
Very heavy
🔷 Cubic✏️ streak black
Chemical formulaCoAs₃
ElementsCo, As
Crystal systemCubic
Mohs hardness—
Density6.84 g/cm³
Streakblack
Color—
IMA symbolSkt
Nickel–Strunz class2.EC.05

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

🌍 Where it's found

Type locality (where it was first described): Skutterud mines, Norway