IMA mineral species

Hausmannite

Mn²⁺Mn³⁺₂O₄

Mixed oxide mineral of manganese II and III.

BrownBlackGray

Hausmannite specimen
Hausmannite-120647.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMn²⁺Mn³⁺₂O₄
ElementsMn, O
Crystal systemTetragonal
Mohs hardness5.5
Density—
Streak—
Color—
IMA symbolHsm
Nickel–Strunz class4.BB.10

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