IMA mineral species

Epifanovite

NaCaCu₅(PO₄)₄[AsO₂(OH)₂]·7H₂O

Phosphate mineral.

Epifanovite specimen
Sergeysmirnovite and other minerals.png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaNaCaCu₅(PO₄)₄[AsO₂(OH)₂]·7H₂O
ElementsNa, Ca, Cu, P, O, As, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolEfv

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

🌍 Where it's found

Type locality (where it was first described): Kester tin deposit, Russia