IMA mineral species

Hercynite

Fe²⁺Al₂O₄

Spinel, oxide mineral.

Black

Hercynite specimen
Hercynite-73060.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaFe²⁺Al₂O₄
ElementsFe, Al, O
Crystal systemCubic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHc
Nickel–Strunz class4.BB.05

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

Varieties & related stones