광물 데이터베이스와 크리스탈 테라피광물AmmoniomagnesiovoltaiteAmmoniomagnesiovoltaite(NH4)2Mg5Fe3⁺3Al(SO4)12·18H2OCubico crown IMA approved구성Composizione (% in peso)OSMgOOxygen61.5%SSulfur22.4%MgMagnesium7.1%FeIron3.3%HHydrogen2.6%NNitrogen1.6%AlAluminium1.6%어원명명 유래 ammonium cation.