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 northeastern part of the country contains gold, coal and iron-ore deposits, and coltan – a term derived from the word ‘columbite-tantalite’ that belongs to a group of geochemical products ...

RUBAYA, Congo — Nestled in the green hills of Masisi territory in Congo, the artisanal Rubaya mining site hums with the sound of generators, as hundreds of men labor by hand to extract coltan, a key ...

KIGALI (Reuters) - A joint venture between the Rwandan government and a Mauritius-based company is positioning the central African country to ramp up exploitation of coltan, a mineral that is crucial ...

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 ...

The Democratic Republic of Congo (DRC) is rich in natural resources – its untapped deposits of minerals are estimated to be worth US$24 trillion. Gold, diamonds, cobalt and zinc are among them.