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Manganosite (Photo) [abbr. Mng ]

Year of discovery: 1874 (Kaiser Franz mine (König Wilhelm mine), Germany), 1935 (Japan)

Locality list: 148 localities of manganosite

• MnO
• [Mn²⁺][O]^2-

• Class: Periclase group
• Class: Oxide
• Soluble in: HCl
• Magnetism: Paramagnetic
• Oxidized readily in the air to manganese dioxide (black).
• Substitution pseudomorph: Replaced by Pyrochroite.

• Mn => Mg: Periclase
• Mn => Zn: Zincite
• Mn => Ni: Bunsenite
• Mn => Cd: Monteponite
• Mn => Ca: Lime
• Mn => Fe: Wüstite (Wustite)
• Mn => Be: Bromellite
• Mn => Cu: Tenorite
• Mn => Ti: Hongquiite
• Mn => Pd: Palladinite

• Cu₂ => CuMn: Crednerite

• Color: Green
• Tarnish: Brown-Black (Readily by oxidation)
• Streak: Brown
• Luster: Vitreous
• Diaphaneity: Transparent-Translucent

• Habit: Octahedral

• Cleavage: Perfect on {100} (3 planes)
• Hardness: 5.5
• Density: 5.4

• System: Cubic
• Group: m3m, Fm3m
• Lattice: a=4.4