IMA mineral species

Gilmarite

Cu²⁺₃(AsO₄)(OH)₃

Arsenate mineral.

Gilmarite specimen
Gilmarite-Conichalcite-96141.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCu²⁺₃(AsO₄)(OH)₃
ElementsCu, As, O, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGmr
Nickel–Strunz class8.BE.25

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

🌍 Where it's found

Type locality (where it was first described): Roua mines, France

  • 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.