IMA mineral species

Umbozerite

Na₃Sr₄ThSi₈(O,OH)₂₄

Unclassified silicate.

Umbozerite specimen
Umbozerite0.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNa₃Sr₄ThSi₈(O,OH)₂₄
ElementsNa, Sr, Th, Si, O, H
Crystal systemAmorphous
Mohs hardness—
Density—
Streak—
Color—
IMA symbolUbz
Nickel–Strunz class9.HG.15

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

🌍 Where it's found

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