IMA mineral species

Gerasimovskite

Mn²⁺(Nb,Ti)₅O₁₂·9H₂O

Hydrous oxide mineral.

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

Properties

Chemical formulaMn²⁺(Nb,Ti)₅O₁₂·9H₂O
ElementsMn, Nb, Ti, O, H
Crystal systemAmorphous
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGms
Nickel–Strunz class4.FM.25

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

🌍 Where it's found

Type locality (where it was first described): Mount Malyi Punkaruaiv, Russia