Kenya has discovered its first deposits of the valuable mineral coltan, the mining minister has said. The rare mineral is used to manufacture electric car batteries, mobile phones and other electronic ...
A town at the heart of mining coltan, a key ingredient in making mobile phones, has been seized in eastern Democratic Republic of Congo by rebel forces, their spokesman has said. Rubaya fell into the ...
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 minister ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results