mohs hardness of iron ore
Hardness Iron Ore Mohs Scale . Mohs scale hardness 55 65 luster metallic to splendent streak bright red to dark red it is mined as the main ore of iron iron ore the major constraint to economics for iron ore deposits is not necessarily the grade or size of the deposits because it is not particularly hard to geologically prove. MORE + Magnetite Properties and Occurrences Assignment Point ...