... can use the method of flotation, such as Gold, Silver Mine, galena, sphalerite, chalcopyrite, copper-fai, molybdenite, nickel sulfide ... as pyrite, malachite, white lead, zinc Ling, hemimorphite and mine Hematite, cassiterite, wolframite, ilmenite, Beryl, spodumene, and rare earth ... glass sand, cement and standard sand. (3) Shaking table selecting. Iron ore particles with high density drop rapid in the ...