Coltan is refined into tantalum, which is then used to manufacture smartphones and other electronic devices Kenya has discovered its first deposits of the valuable mineral coltan, the mining ...

Colombian authorities have seized 13.7 tons (11.7 tonnes) of coltan, a key mineral used in the production of smartphones, ...

In our place, the said coltan comes as a shiny or dull black metallic stones (ores), which we used to kill birds with when we were growing up. Little did we know that the so-called 'obscure ...

Electronic circuits in side mobile devices couldn't work without mineral, Coltan. The Wests demand for Coltan, used in mobile phones and computers, is funding the killings in Congo.