IMA mineral species

Columbite-(Mn)

Mn²⁺Nb₂O₆

Oxide mineral.

Columbite-(Mn) specimen
Manganocolumbite-Muscovite-ch22a.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaMn²⁺Nb₂O₆
ElementsMn, Nb, O
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolClb-Mn
Nickel–Strunz class4.DB.35

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