SYDNEY--Australian mining giant Rio Tinto will sell a 30% equity stake in its Winu copper-gold project to Sumitomo Metal Mining for $399 million, under a new joint venture with the Japanese producer.
No. Although copper has often been used in circulating coinage, it is not considered to be a precious metal like Gold and Silver. Copper is instead classified as base metal or industrial metal. In ...
While many consider him to be sleeping on the job, JD spends most of his time reviewing bedding products on The Slumber Yard, a popular YouTube channel specializing in online mattress expertise.