IMA mineral species

Hapkeite

Fe₂Si

Silicide mineral.

Gray

Properties

Chemical formulaFe₂Si
ElementsFe, Si
Crystal systemCubic
Mohs hardness—
Density6.83 g/cm³
Streak—
Color—
IMA symbolHpk
Nickel–Strunz class1.BB.35

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