Tiberon Minerals Ltd. was a TSX listed company (Symbol: TBR) that held 77.5% ownership in the world’s largest primary tungste ... n producer and a major producer of acid-grade fluorspar, as well as bismuth, copper and gold, through development of its Nui Phao property in Vietnam. Tiberon was acquired by Dragon Capital Management Ltd. in 2006. Subsequently, Masan Resources Corporation acquired a controlling stake in the Nui Phao mine in 2010. read more