礦物資料庫與水晶療法礦物StarkeyiteStarkeyiteMgSO4·4H2OMonoclino heart IMA approved成分Composizione (% in peso)OSMgOOxygen66.5%SSulfur16.7%MgMagnesium12.6%HHydrogen4.2%詞源命名來源 Johannes Leonhardt.