semi precious stones mining in south africa

Resources Rand Refinery Limited is one of the world's largest gold refineries. It refines most of Africa's gold and serves the world gold market. Business Directory Business Directory. ... The International Gem Society (IGS) is the world's top resource for gem professionals, ... Gemstone Identifiion Course; Finding Gemstones A site on prospecting methods used to find gemstones ... an Australian Mining Company with ... structures in Canada & even in the Kimberley region of South Africa.    Read More