IMA mineral species

Bismutocolumbite

BiNbO₄

Oxide mineral.

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

Properties

⚖ Density7.16 g/cm³
Very heavy
Chemical formulaBiNbO₄
ElementsBi, Nb, O
Crystal system—
Mohs hardness—
Density7.16 g/cm³
Streak—
Color—
IMA symbolBclb
Nickel–Strunz class4.DE.30

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

🌍 Where it's found

Type locality (where it was first described): Malkhan pegmatite field, Russia