The Kafubu Mining Area is one of the largest suppliers of gem-quality emeralds in the world, second to Colombia. Located in central Zambia on both sides of the Kafubu River, this area is home to the Kagem Emerald mine, which accounts for 25% of the world’s emerald production. The Kafubu emerald deposits are within the mineral-rich Zambian Copperbelt Province and are distributed over 200 km2. Measured, Indicated, and Inferred Mineral Resource of the Kagem mine is 1.8 billion carats of emerald and beryl at an in-situ grade of 281ct/t. During 2019, the mine produced 36.3 million carats of emerald and beryl, including 204,600 carats of premium emerald. https://www.geologyforinvestors.com/emerald-heart-of-africa-the-kagem-mine-kafubu-mining-area-zambia/