A Visit to the Kagem Open pit Emerald Mine in Zambia – GIA IN
11 Jul 2015 Zambia is known for more than 50 years as a source for emeralds but this is only recently that this country emerges as a major source During summer 2014 a team of GIA field gemologists had the opportunity to visit the Gemfields operation at Kagem the largest emerald mining operation in the whole nbsp