Add Yahoo as a preferred source to see more of our stories on Google. Alain Libondo (17) left, and Nsinku Zihindula (25), hammering at solid rock to find cassiterite and coltan at Szibira, South Kivu.

The route between Rubaya in eastern DR Congo’s North Kivu Province and Rwanda which is alleged to be used to supply coltan minerals to tech giant Apple does not exist and cannot supply the global ...

You may not have heard of coltan, but it’s a key raw mineral whose components are found in everyday technologies from smartphones to laptops as well as advanced medical equipment. However, the supply ...