Manganese Ore

Manganese Ore

Manganese Ore
Color Grey to black
Luster Metallic to sub-metallic
Hardness 4 - 6 on Mohs scale
Density 7.0 - 7.4 g/cm³
Specific Gravity 7.0 - 7.4
Streak Brown to black
Cleavage Poor
Fracture Conchoidal to uneven
Magnetic Properties Weakly magnetic
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