IMA mineral species

Koktaite

(NH₄)₂Ca(SO₄)₂ * H₂O

Sulfate mineral.

Koktaite specimen
Koktaite-132869.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formula(NH₄)₂Ca(SO₄)₂ * H₂O
ElementsN, H, Ca, S, O
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKkt
Nickel–Strunz class7.CD.35

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