광물 데이터베이스와 크리스탈 테라피광물Magnesiobeltrandoite-2N3SMagnesiobeltrandoite-2N3S(Mg6Al2)(Al18(Fe3⁺)2)O38(OH)2Trigonale crown IMA approved구성Composizione (% in peso)OAlMgFeOOxygen44.5%AlAluminium37.5%MgMagnesium10.1%FeIron7.8%HHydrogen0.1%