Basis data mineral & terapi kristalMineralFaheyiteFaheyiteBe2Mn2⁺Fe3⁺2(PO4)4·6H2OEsagonale heart IMA grandfatheredKomposisiComposizione (% in peso)OPFeMnOOxygen57.1%PPhosphorus20.1%FeIron9.1%MnManganese8.9%BeBeryllium2.9%HHydrogen2.0%EtimologiDinamai dari Joseph J. Fahey.