IMA mineral species

Ondrušite

CaCu₄(AsO₄)₂(AsO₃OH)₂·10H₂O

Hydrous arsenate mineral.

Ondrušite specimen
Ondrušite-654099.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCaCu₄(AsO₄)₂(AsO₃OH)₂·10H₂O
ElementsCa, Cu, As, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolOnd
Nickel–Strunz class8.CE.30

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

🌍 Where it's found

Type locality (where it was first described): Jáchymov, Czech Republic

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.