Processed Minerals and Ores

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....owder, garnet-, silliminite, fireclay, ballclay, manganese dioxide ore. (ii) Processed or activated-bentonite, diatomious earth, fullers earth. (iii) Processed-kaolin (china clay), whiting, calcium carbonate. (iv) Beneficated-chromite, flourspar, graphite, vermiculite, ilminite, brown ilminite (lencoxene) rutile, monazite and other mineral concentrates. (v) Mica blocks, mica spilitting....

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....ue and unwanted deleterious substances or through other means without altering the minerological identity; (b) pulverisation, calcination or micronisation; (c) agglomeration from fines; (d) cutting and polishing; (e) washing and levigation; (f) benefication by mechanical crushing and screening through dry process; (g) sizing by crushing, screen....