IMA mineral species

Attikaite

Ca₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O

Arsenate mineral.

GreenBlue

Attikaite specimen
Attikaite-91256.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₃Cu₂Al₂(AsO₄)₄(OH)₄·2H₂O
ElementsCa, Cu, Al, As, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolAtk
Nickel–Strunz class8.DJ.45

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

🌍 Where it's found

Type locality (where it was first described): Christiana mine, Greece