RMO-MARINECONSULTANT

Manganese Ore


ColorBlack, Brownish-black
LusterSubmetallic to metallic
Hardness5.0 - 6.5 on Mohs scale
Specific Gravity3.5 - 4.0
Moisture Content0.1% - 5%
Grain Size0-10 mm, 10-50 mm, 50-100 mm
Bulk Density2.0 - 3.0 tons/m³
FriabilityModerately friable to non-friable
Chemical CompositionMn 28-44%, Fe 2-10%, SiO₂ 10-25%, Al₂O₃ 2-8%, P 0.05-0.2%
Phosphorus Content0.05% - 0.2%
Silica Content (SiO₂)10% - 25%
Iron Content (Fe)2% - 10%
Alumina Content (Al₂O₃)2% - 8%
Calcium Oxide (CaO)0.1% - 3%
Magnesium Oxide (MgO)0.1% - 2%