Refining Definition The final stage of metal production that removes impurities to produce high-purity metal suitable for commercial use. Related Terms Smelting Dore Bullion See Also Smelting Dore Related News EVelution Energy and Mitsui sign $850m cobalt supply deal 2026-04-30 Silver Crown, EMS target US silver growth push 2026-04-23 Copper price within sight of all-time high as Chinese smelters hit record activity 2026-04-20 Mangrove opens refinery in British Columbia to close lithium gap 2026-04-20 Phase 2 exploration begins at La Union Project, Mexico 2026-04-02
