From 1924 until 1993, the Prince Leopold (Kipushi) Mine close to D.R. Congo mining capital, Lubumbashi, was the richest copper, zinc, and germanium mine in the world, producing 6.6 million tonnes of zinc, 4 million tonnes of copper, and 278 tonnes of germanium from 60 tonnes of material grading 11% zinc and 7% copper. Kipushi… Continue Reading