Basis data mineral & terapi kristalMineralMicrosommiteDavid Hospital·CC BY-SA 4.0·WikimediaMicrosommiteNa4K2Ca2(SO4)(Si6Al6O24)Cl2Esagonale IMA grandfatheredKomposisiComposizione (% in peso)OSiAlNaCaKClOOxygen39.6%SiSilicon14.9%AlAluminium14.3%NaSodium8.1%CaCalcium7.1%KPotassium6.9%ClChlorine6.3%SSulfur2.8%EtimologiDinamai dari Mount Somma.
