Types of Iron Ore: Hematite vs. Magnetite | Investing News NetworkSep 5, 2013 . Learn what makes those types of iron ore different. . The metal is most often found in the form of hematite and magnetite, though goethite, limonite and siderite types of iron ore . By comparison, magnetite ore typically has a much lower iron .. Hematite Fe2O3 2/3 =66%, Magnetite Fe3O4 3/4 = 73%max so.how many of iron in siderite 3 limonite,Limonite - WikipediaLimonite is an iron ore consisting of a mixture of hydrated iron(III) oxide-hydroxides in varying . This means that chemical weathering transforms the crystals of pyrite into limonite by hydrating the molecules, but the external shape of the pyrite.
how many of iron in siderite 3 limonite