Neo Performance Materials - Rare Metals Neo Rare Metals is a metals refiner based in Ontario, Canada and business unit of Neo Performance Materials (previously Molycorp Inc). Neo Rare Metals produces, reclaims and refines high value niche metals and their compounds. These include tantalum, niobium, hafnium, rhenium, gallium and indium products. This profile focuses on Neo Rare Earth's hydrometallurgical gallium recovery technology. Neo Performance Materials - Rare Metals