IMA mineral species

Nekoite

Ca₃Si₆O₁₅*₇H₂O

Phyllosilicate mineral.

Nekoite specimen
Nekoite-88145.jpg · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaCa₃Si₆O₁₅*₇H₂O
ElementsCa, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolNk
Nickel–Strunz class9.EA.45

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

🌍 Where it's found

Type locality (where it was first described): Wet Weather quarry, Sky Blue Hill, United States