IMA mineral species

Rammelsbergite

NiAs₂

Mineral, marcasite–löllingite mineral group.

PinkGrayWhite & Clear

Rammelsbergite specimen
Rammelsbergite-180028.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density7.107 g/cm³
Very heavy
Chemical formulaNiAs₂
ElementsNi, As
Crystal systemOrthorhombic
Mohs hardness—
Density7.107 g/cm³
Streak—
Color—
IMA symbolRmb
Nickel–Strunz class2.EB.15a

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

🌍 Where it's found

Type locality (where it was first described): Schneeberg ore district, Germany