Iron(II,III) oxide
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Iron oxide, or black iron oxide, is the chemical compound with formula Fe3O4. It occurs in nature as the mineral magnetite. It is one of a number of iron oxides, the others being iron oxide, which is
Fe 3O4
Sample of magnetite, naturally occurring Fe3O4.
Iron(III) oxide
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Iron oxide or ferric oxide is the inorganic compound with the formula Fe2O3. It occurs in nature as the mineral hematite, which serves as the primary source of iron for the steel industry. It is also
Iron(II,III) oxide
…Fe3O4. It occurs in nature as the mineral magnetite. It is one of a number of iron oxides, the others being iron(II) oxide (FeO), which is rare, and iron(III) oxide (Fe2O3) which also occurs naturally as the mineral hematite. It contains both Fe2+ and Fe3+ ions and is sometimes formulated as FeO·Fe2O3. This iron…
Sample of iron(III) oxide
Iron(III) oxide in a vial
Iron oxide red y
Iron oxide yellow