IMA mineral species

Gutkovaite-Mn

CaK₂Mn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·5H₂O

Cyclosilicate mineral.

Properties

Chemical formulaCaK₂Mn(Ti,Nb)₄(Si₄O₁₂)₂(O,OH)₄·5H₂O
ElementsCa, K, Mn, Ti, Nb, Si, O, H
Crystal system—
Mohs hardness—
Density—
Streak—
Color—
IMA symbolGko-Mn
Nickel–Strunz class9.CE.30h

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

🌍 Where it's found

Type locality (where it was first described): Mount Maly Mannepakhk, Russia