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What is is the most widespread iron mineral called?

April 26, 2017earth Geology iron Mineral minerals physical rocks sciences widespread

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What is is the most widespread iron mineral called?

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Haematite (Fe2O3)which is brown in colour & Magnetite Fe3O4 black in colour are most widespread iron mineral.On further oxidation of Haematite it changes in to magnetite the more stable form(FeO.Fe2O3=Fe3O4).In chemical industry properties of magnetite are widely used as corrosion inhibitor.