The mineral is useful in laptops and electric vehicles on the market today, a discovery that could position Kenya as a major ...

Under the watchful eye of M23 rebels in the hills around the Congolese town of Rubaya, a line of men in rubber boots ferry sacks full of crushed rocks up winding paths cut into the slopes. The ...

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 ...

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 ...

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