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melanterite
melanterite (mɛˈlæntəˌraɪt) n (Geological Science) a green mineral, FeSO4.7H2O, composed of hydrated ferrous sulphatemelanterite
melanterite (məlăn`tərīt'): see ferrous sulfateferrous sulfate or iron (II) sulfate, chemical compound, FeSO4. It is known as the monohydrate, FeSO4·H2O; the tetrahydrate, FeSO4·4H2O; the pentahydrate, FeSO4·5H2 ..... Click the link for more information. .melanterite[mə′lan·tə‚rīt] (mineralogy) FeSO4·7H2O A green mineral occurring mainly in fibrous or concretionary masses, or in short, monoclinic, prismatic crystals; hardness is 2 on Mohs scale, and specific gravity is 1.90. |