IMA mineral species

Hydrodelhayelite

KCa₂(Si₇Al)O₁₇(OH)₂·6H₂O

Phyllosilicate mineral.

Properties

Chemical formulaKCa₂(Si₇Al)O₁₇(OH)₂·6H₂O
ElementsK, Ca, Si, Al, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolHdhy
Nickel–Strunz class9.EB.10

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

🌍 Where it's found

Type locality (where it was first described): Apatitovyi tsirk, Russia