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Manganese(II,III) oxide
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<p>Manganese(II,III) oxide is the <a href="/facts/Manganese_oxide/JVJzfrjn">manganese oxide</a> with the chemical compound with formula Mn3O4. <a href="/facts/Manganese/j9ELd1TL">Manganese</a> is present in two <a href="/facts/Oxidation_state/W53W6s6V">oxidation states</a>, +2 and +3, and the formula is sometimes written as <a href="/facts/Manganese(II)_oxide/7Qf90nkH">MnO</a>·<a href="/facts/Manganese(III)_oxide/9k30TI1l">Mn2O3</a>. Mn3O4 is found in nature as the mineral <a href="/facts/Hausmannite/hkImR9SB">hausmannite</a>. </p>