IMA mineral species

Weilerite

BaAl₃(SO₄)(AsO₄)(OH)₆

Alunite supergroup, arsenate-sulfate mineral.

Properties

Chemical formulaBaAl₃(SO₄)(AsO₄)(OH)₆
ElementsBa, Al, S, O, As, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolWlr
Nickel–Strunz class8.BL.05

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

🌍 Where it's found

Type locality (where it was first described): Michael mine, Weiler, Germany