IMA mineral species

Löllingite

FeAs₂

Mineral, marcasite–löllingite mineral group.

GrayWhite & Clear

Löllingite specimen
Lollingite.jpg · Wikimedia Commons (see file page for author & license)

Properties

⚖ Density7.602 g/cm³
Very heavy
Chemical formulaFeAs₂
ElementsFe, As
Crystal systemOrthorhombic
Mohs hardness—
Density7.602 g/cm³
Streak—
Color—
IMA symbolLö
Nickel–Strunz class2.EB.15a

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