礦物資料庫與水晶療法礦物DouglasiteDouglasiteK2Fe2⁺Cl4·2H2O heart IMA grandfathered成分Composizione (% in peso)ClKFeOClChlorine45.5%KPotassium25.1%FeIron17.9%OOxygen10.3%HHydrogen1.3%詞源命名來源 Douglashall.次要脈輪third eye