we can supply you high quality manganese oxide with competition price!grass green or gray green cubic powder or octahedral Molecular formula:MnOMolecular weight:70.94Properties: grass green or gray green cubic powder or octahedral crystal . relative Density 5.43-5.46. Melting point 1650 °C, Uses:material of ferrite, drier of coating and varnish, catalyst, feed aids, trace element fertilizer, or ...