mining technology beneficiation of IRON ORE Blogger
· The rate of reduction of both iron ore and quartz varies Figures 1 to 3 Quartz dissipates easily breaking down to fines with little applied stress Though the hardness value of quartz 7 on the Mohr s scale is a bit higher than the iron ore Hematite Magnetite 6 it is far more brittle than iron ore Gribble 1988