IMA mineral species

Coquandite

Sb³⁺₆₊ₓO₈₊ₓ(SO₄)(OH)ₓ·H₂O₁₋ₓ (x = 0.3)

Sulfate mineral.

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

Properties

Chemical formulaSb³⁺₆₊ₓO₈₊ₓ(SO₄)(OH)ₓ·H₂O₁₋ₓ (x = 0.3)
ElementsSb, O, S, H
Crystal systemTriclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCqd
Nickel–Strunz class7.DE.35

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