IMA mineral species

Polyarsite

Na₇CaMgCu₂(AsO₄)₄F₂Cl

Arsenate mineral.

Polyarsite specimen — Blue crystals of polyarsite.png · Wikimedia Commons (see file page for author & license)

Properties

🔷 Monoclinic

Chemical formula	Na₇CaMgCu₂(AsO₄)₄F₂Cl
Elements	Na, Ca, Mg, Cu, As, O, F, Cl
Crystal system	Monoclinic
Mohs hardness	—
Density	—
Streak	—
Color	—
IMA symbol	Par

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

🌍 Where it's found

Type locality (where it was first described): Arsenatnaya fumarole

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.

Learn more

Polyarsite on Mindat.org
Wikidata item Q80196815 (source of this page's data – you can correct it there)