... chromite, pyrite, azorite, rutile, monazite, phosphorite, oxide ore, tin ore, tantalum ore, niobium ore and other nonferrous metals with distinct specific gravity difference, and ... along the rotary bevel with flow speed, so that ore and sand can be divided under rotary steam and centrifugal ... gravity, grain size and shape. Next, final ore flows to the final ore hopper and coveyed out by pipe and picked ...