Basis data mineral & terapi kristalMineralGuilditeDavid Hospital·CC BY-SA 4.0·WikimediaGuilditeCuFe3⁺(SO4)2(OH)·4H2OMonoclino IMA grandfatheredKomposisiComposizione (% in peso)OSCuFeOOxygen51.9%SSulfur16.0%CuCopper15.9%FeIron13.9%HHydrogen2.3%EtimologiDinamai dari Frank N. Guild.
