IMA mineral species

Sphaerobertrandite

Be₃(SiO₄)(OH)₂

Nesosilicate mineral.

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

Properties

Chemical formulaBe₃(SiO₄)(OH)₂
ElementsBe, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolSbtd
Nickel–Strunz class9.AE.50

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

🌍 Where it's found

Type locality (where it was first described): Mount Sengischorr, Russia · Tuften quarry, Norway