IMA mineral species

Zincostaurolite

Zn₂Al₉Si₄O₂₃(OH)

Nesosilicate mineral.

Properties

Chemical formulaZn₂Al₉Si₄O₂₃(OH)
ElementsZn, Al, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolZst
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): Brunegg pass, Switzerland