IMA mineral species

Cryptophyllite

K₂Ca[Si₄O₁₀]·5H₂O

Silicate mineral.

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

Properties

Chemical formulaK₂Ca[Si₄O₁₀]·5H₂O
ElementsK, Ca, Si, O, H
Crystal systemMonoclinic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolCp

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

🌍 Where it's found

Type locality (where it was first described): Tsentral'nyi mine, Russia