Chrome Ore Dressing Process - Pioneers Mining | Gravity .Apr 18, 2016 . The beneficiation of chromite can be divided into two types, one for chromite rock and one for alluvial chromite. . rate is low, and it is rarely used in rough chromite concentration and it can be used in further upgrading of chromite concentrate or further recovery from spiral separator in pioneers experience.chrome beneficiation and upgrading plant china,Chromite Beneficiation Process|Chromite Gravity Separator and .Chromite Beneficiation Process. Chromite is a mineral composed primarily of iron, magnesium and chromium oxide: (Fe, Mg) Cr2O4. It is a kind of spinel, the only chrome ore can be mined. The mineral composition is complex with uncertain magnesium content, sometimes also mixed with aluminum and iron. Cr2O3 content.