IMA mineral species

Alumoklyuchevskite

K₃Cu²⁺₃AlO₂(SO₄)₄

Sulfate mineral.

Properties

Chemical formulaK₃Cu²⁺₃AlO₂(SO₄)₄
ElementsK, Cu, Al, O, S
Crystal systemTriclinic
Mohs hardness2.5
Density—
Streakbright green
Color—
IMA symbolAkyv
Nickel–Strunz class7.BC.45

“—” 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