IMA mineral species

Walthierite

Ba₀.₅Al₃(SO₄)₂(OH)₆

Alunite supergroup, sulfate mineral.

Properties

Chemical formulaBa₀.₅Al₃(SO₄)₂(OH)₆
ElementsBa, Al, S, O, H
Crystal systemTrigonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolWtr
Nickel–Strunz class7.BC.10

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

🌍 Where it's found

Type locality (where it was first described): Tambo mine, Chile