Gemfields mine in Zambia richer than initially thought

[caption id="attachment_834521" align="aligncenter" width="600"] Photo by Duncan Pay © GIA | Courtesy of The Smithsonian Institution.[/caption] Emeralds and rubies miner Gemfields (LON:GEM) said Wednesday an independent report by consultancy firm SRK shows the Kagem mine in Zambia is set to...