IMA mineral species

Koashvite

Na₆(Ca,Mn)(Ti,Fe)Si₆O₁₈ * H₂O

Cyclosilicate mineral.

Properties

Chemical formulaNa₆(Ca,Mn)(Ti,Fe)Si₆O₁₈ * H₂O
ElementsNa, Ca, Mn, Ti, Fe, Si, O, H
Crystal systemOrthorhombic
Mohs hardness—
Density—
Streak—
Color—
IMA symbolKoa
Nickel–Strunz class9.CJ.15c

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

🌍 Where it's found

Type locality (where it was first described): Koashva open pit, Russia

  • Type locality
  • Notable source / deposit
  • Country of origin

Marker positions are approximate (region or locality level). Type localities from Wikidata; notable sources curated by Crystopedia.