礦物資料庫與水晶療法礦物Potassic-arfvedsonitePotassic-arfvedsoniteKNa2(Fe2⁺4Fe3⁺)Si8O22(OH)2Monoclino root IMA redefined成分Composizione (% in peso)OSiFeOOxygen47.6%SiSilicon27.8%FeIron13.8%NaSodium5.7%KPotassium4.8%HHydrogen0.2%詞源命名來源 potassium.次要脈輪third eye