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Manganese(II) oxide is an inorganic compound with chemical formula MnO. [2] It forms green crystals. The compound is produced on a large scale as a component of fertilizers and food additives .
Manganese oxide is any of a variety of manganese oxides and hydroxides. [1] These include Manganese(II) oxide, MnO; Manganese(II,III) oxide, Mn 3 O 4; Manganese(III) oxide, Mn 2 O 3; Manganese dioxide, MnO 2; Manganese(VI) oxide, MnO 3; Manganese(VII) oxide, Mn 2 O 7; Other manganese oxides include Mn 5 O 8, Mn 7 O 12 and Mn 7 O 13.
Manganese dioxide is the inorganic compound with the formula MnO 2 . This blackish or brown solid occurs naturally as the mineral pyrolusite , which is the main ore of manganese and a component of manganese nodules .
Manganese(II,III) oxide is the chemical compound with formula Mn 3 O 4. Manganese is present in two oxidation states +2 and +3 and the formula is sometimes written as MnO · Mn 2 O 3 . Mn 3 O 4 is found in nature as the mineral hausmannite .
Hausmannite is a complex oxide, or a mixed oxide, of manganese containing both di-and tri-valent manganese. Its chemical formula can be represented as Mn II Mn III 2 O 4, or more simply noted as MnO·Mn 2 O 3, or Mn 3 O 4, as commonly done for magnetite (Fe 3 O 4), the corresponding iron oxide. It belongs to the spinel group and forms ...
Manganese(III) oxide is a chemical compound with the formula Mn 2 O 3. It occurs in nature as the mineral bixbyite (recently changed to bixbyite-(Mn) [ 3 ] [ 4 ] ) and is used in the production of ferrites and thermistors .
Manganese(II) acetate are chemical compounds with the formula Mn(CH 3 CO 2) 2 ·(H 2 O)n where n = 0, 2, 4. These materials are white or pale pink solids. These materials are white or pale pink solids.
The chemical formula for Ramsdellite is MnO 2. The empirical formula is Mn 4+ O 2. [3] Ramsdellite has the same chemistry as the more common pyrolusite, but is orthorhombic where pyrolusite is tetragonal. [2] Ramsdellite belongs to the Orthorhombic crystal system and Dipyramidal crystal class. [5] Properties: [6]