IMA mineral species

Tinaksite

K₂Na(Ca,Mn²⁺)₂Ti[O|Si₇O₁₈(OH)]

Inosilicate mineral.

YellowPinkBrown

Tinaksite specimen
Tinaksite, Charoite-543035.png · Wikimedia Commons (see file page for author & license)

Properties

Chemical formulaK₂Na(Ca,Mn²⁺)₂Ti[O|Si₇O₁₈(OH)]
ElementsK, Na, Ca, Mn, Ti, O, Si, H
Crystal system—
Mohs hardness—
Density—
Streakwhite
Color—
IMA symbolTnk
Nickel–Strunz class9.DG.75

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

🌍 Where it's found

Type locality (where it was first described): Murunskii massif, Russia