Basis data mineral & terapi kristalMineralMelanarsiteMelanarsiteK3Cu7Fe3⁺O4(AsO4)4Monoclino IMA approvedKomposisiComposizione (% in peso)CuOAsKCuCopper35.9%OOxygen25.9%AsArsenic24.2%KPotassium9.5%FeIron4.5%EtimologiDinamai dari arsenate.