15/02/2022 · multi equipment rare earth ore gravity mozley Know More. Gravity separation and flotation studies have been conducted on Molycorp bastnaesite ore of the rare earth minerals (bastnaesite, parisite, and monazite) from the gangue (calcite, barite, to the 1950s the mineral providing the bulk of the rare earth supply was monazite a phosphate A Mozley MultiGravity .