Pienaar and Smith (1992) carried out gravity separation studies on the ore from Mamatwan, South Africa and found that calcite (Specific gravity: 2.71 gm/cc) and kutnahorite (Ca (Mn, Mg) (CO 3 ) 2 ...
This study investigated the effectiveness of the gravity beneficiation method based on gravitation and centrifugal forces for manganese ore. Manganese ores from Unagad deposit, samples powders ...