Kenya has declared the discovery of the valuable coltan mineral used to produce laptops, cell phones, and other electronic devices. Photo: Salim Mvurya. Source: FacebookWhat Coltan deposits mean for KenyaThe Cabinet Secretary (CS) for Mining and Blue Economy, Salim Mvurya, announced on Wednesday, January 24, that sufficient coltan deposits were discovered in six counties. We have coltan deposits in the country and we want to see how we can inspire the investors," Mvurya disclosed. The construction of the Rongo-Kisii Road temporarily stalled after residents discovered gold deposits in the murram being excavated in the area.