Coarse iron ore grinding and pellet feed; Secondary/tertiary grinding (phosphate, gold, copper, lead, zinc, chromite, platinum, vanadium, molybdenum, battery metals) Diamonds selective liberation (lamproite, kimberlite) Pebble crushing; Processes. Crushing and Grinding (Mining) Downloads. Enduron® HPGR brochure . How can you reduce your plant's overall operating costs while processing ...