Manganese oxide is any of a variety of manganese oxides and hydroxides. These include
- Manganese(II) oxide, MnO
- Manganese(II,III) oxide, Mn3O4
- Manganese(III) oxide, Mn2O3
- Manganese dioxide, MnO2
- Manganese(VI) oxide, MnO3
- Manganese(VII) oxide, Mn2O7
Other manganese oxides include Mn5O8, Mn7O12 and Mn7O13.
Minerals
It may refer more specifically to the following manganese minerals:
- Birnessite, (Na,Ca)0.5(Mn,Mn)2O4 · 1.5 H2O
- Buserite, MnO2·nH2O
- Hausmannite, MnMn2O4
- Manganite, MnO(OH)
- Manganosite, MnO
- Psilomelane, Ba(Mn)(Mn)8O16(OH)4, or (Ba,H2O)2Mn5O10
- Pyrolusite, MnO2
Manganese may also form mixed oxides with other metals :
- Bixbyite, (Fe,Mn)2O3, a manganese(III) iron(III) oxide mineral
- Jacobsite, MnFe2O4, a manganese(II) iron(III) oxide mineral
- Columbite, (Fe,Mn)Nb2O6, a niobate of iron(II) and manganese(II)
- Tantalite, (Fe,Mn)Ta2O6, a tantalum(V) mineral group close to that of columbite
- Coltan, a mixture of columbite and tantalite series
- Galaxite, MnAl2O4, a spinel mineral
- Todorokite, (Na,Ca,K,Ba,Sr)
1-x(Mn,Mg,Al)
6O
12·3-4H
2O, a rare complex hydrous manganese oxide mineral
References
- Wells A.F. (1984) Structural inorganic chemistry 5th edition Oxford Science Publications, ISBN 0-19-855370-6.
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