“During this period, coltan mining became widespread within the park, further exacerbating the situation as thousands of ...

Small electronic devices like cell phones, ipads and laptops contain the mineral coltan. Jane Solimine, a gorilla and small keeper at the zoo, said the mineral is mostly used to keep electronics ...

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 ...

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 ...