Iron | Minerals Education CoalitionIron is one of the three naturally magnetic elements; the others are cobalt and . The principle ores of iron are hematite, (70% iron) and magnetite, (72% iron).heamatite iron ore be magnetised,Magnetic Mineralogical Characteristics of Hamersley Iron Ores in .Jan 30, 2015 . (mpl H) and martite-microplaty hematite-goethite or M-(mpl H)-g ores . Thermal Magnetic Analysis, Hamersley Iron Ores, Ferromagnetic.iron-oxide concretions and nodules - meteorites.wustl.eduOct 8, 2018 . Most iron ore deposits consist mainly of hematite, magnetite, or both. . Magnetite, on the other hand, is highly magnetic, and it often forms.
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