IMA mineral species

Magnesiostaurolite

Mg(Mg,Li)₃(Al,Mg)₁₈Si₈O₄₄(OH)₄

Nesosilicate mineral.

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

Properties

Chemical formulaMg(Mg,Li)₃(Al,Mg)₁₈Si₈O₄₄(OH)₄
ElementsMg, Li, Al, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMst
Nickel–Strunz class9.AF.30

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

🌍 Where it's found

Type locality (where it was first described): Gilba valley, Italy