IMA mineral species

Chromphyllite

K(Cr,Al)₂(AlSi₃O₁₀)(OH,F)₂

True mica, phyllosilicate.

Properties

Chemical formulaK(Cr,Al)₂(AlSi₃O₁₀)(OH,F)₂
ElementsK, Cr, Al, Si, O, H, F
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCrp
Nickel–Strunz class9.EC.15

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

🌍 Where it's found

Type locality (where it was first described): minerals of Slyudyanka, Russia