IMA mineral species

Alarsite

AlAsO₄

Aluminium arsenate mineral.

YellowWhite & Clear

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

Properties

Chemical formulaAlAsO₄
ElementsAl, As, O
Crystal systemTrigonal
Mohs hardness—
Density3.35 g/cm³
Streakwhite
Color—
IMA symbolArs
Nickel–Strunz class8.AA.05

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

🌍 Where it's found

Type locality (where it was first described): Great Fissure eruption, Russia