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 ...

Seizures of coltan in Colombia have shown the complex networks used by armed groups to smuggle the valuable mineral from illegal mines across the border in Venezuela. Prosecutors announced on August ...

There is a good chance that inside your mobile phone is a miniscule amount of a metal that started its journey buried in the earth of eastern Democratic Republic of Congo, where a war is currently ...