IMA mineral species

Haidingerite

Ca(AsO₃OH)·H₂O

Arsenate mineral.

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

Properties

Chemical formulaCa(AsO₃OH)·H₂O
ElementsCa, As, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHdi
Nickel–Strunz class8.CJ.20

“—” 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.