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Ball Mill Concentration Gravity Concentration

Jan 15 2021 Gold has a specific gravity of 15 0 – 19 3 and a typical ore usually has a specific gravity of about 2 6 (e g quartz is 2 7 Pyrite 5 0 Magnetite 5 3 and Feldspar 2 6) Only free gold particles can be recovered by gravity concentration particles should be liberated by crushing and grinding before gravity processing