IMA mineral species

Mahnertite

NaCu₃(AsO₄)₂Cl * 5H₂O

Arsenate mineral.

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

Properties

Chemical formulaNaCu₃(AsO₄)₂Cl * 5H₂O
ElementsNa, Cu, As, O, Cl, H
Crystal systemTetragonal
Mohs hardness—
Density—
Streak—
Color—
IMA symbolMah
Nickel–Strunz class8.DH.45

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

🌍 Where it's found

Type locality (where it was first described): Cap Garonne mine, France