IMA mineral species

Köttigite

Zn₃(AsO₄)₂·8H₂O

Arsenate mineral.

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Köttigite specimen
Köttigite-551717.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaZn₃(AsO₄)₂·8H₂O
ElementsZn, As, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKöt
Nickel–Strunz class8.CE.40

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

🌍 Where it's found

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