Home / Explore / Minerals / Koashvite Minerals Koashvite koashvite Na6(Ca,Mn)(Ti,Fe)Si6O18 * H2O Koashvite Mineral Data — via webmineral.com · Source Overview Koashvite is a mineral species (cyclosilicate mineral). It crystallises in the orthorhombic system. Nickel–Strunz class: 9.CJ.15c. Scientific references Koashvite — Wikidata. https://www.wikidata.org/wiki/Q3816046 Link