Description Magna Mining explores and develops diamond, gold, and base metal projects in Namibia. It is currently focused on developing the Skeleton Coast project (diamonds), where it holds leases on about 200 miles of shoreline. The company, formerly called Reefton Mining, is also looking to produce heavy minerals (such as garnet and zircon) in the Skeleton Coast area. Reefton Mining owns the Erongo polymetallic project (uranium, gold, semi-precious stones, and industrial metals) in Namibia.