礦物資料庫與水晶療法礦物Alum-(Na)Alum-(Na)NaAl(SO4)2·12H2OCubico IMA renamed成分Composizione (% in peso)OSOOxygen69.8%SSulfur14.0%AlAluminium5.9%HHydrogen5.3%NaSodium5.0%詞源命名來源 sodium.