Kenya has announced the discovery of significant deposits of coltan, a rare mineral used in the manufacture of cell phones, laptops and other electronic devices, in six counties of the East African country. ‘It is now official. We have coltan deposits in the country, and we want to see how we can inspire the investors,’ Mining and Blue Economy Cabinet Secretary Salim Mvurya said on Wednesday (January 24), Business Daily reports. The minister revealed that so far 970 mineral occurrences have been noted across Kenya, adding that mining would kick off soon and laboratories will be decentralised t…