광물 데이터베이스와 크리스탈 테라피광물Potassic-magnesio-hastingsitePotassic-magnesio-hastingsiteKCa2(Mg4Fe3⁺)(Si6Al2)O22(OH)2Monoclino root IMA redefined구성Composizione (% in peso)OSiMgCaFeAlOOxygen43.6%SiSilicon19.1%MgMagnesium11.0%CaCalcium9.1%FeIron6.3%AlAluminium6.1%KPotassium4.4%HHydrogen0.2%어원명명 유래 hastingsite rootname series.