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Coltan - Wikipedia, the free encyclopedia. Coltan mining is viewed by miners as a way of providing for themselves in an area where war and internal conflict are

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Coltan is a rare and valuable compound found in a small region in eastern Congo. Coltan can be separated into the elements Tantalite and Columbite.

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Coltan - Wikipedia, the free encyclopedia

Coltan (short for columbite–tantalite and known industrially as tantalite) is a dull black metallic ore from which the elements niobium and tantalum are extracted.

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Coltan Main article: Tantalum Coltan is the colloquial African name for columbite-tantalite, a metallic ore used to produce the elements niobium and tantalum.

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open up in Egypt, Saudi Arabia, Russia, Finland and Greenland. Today, mining, distribution and sale of coltan in the Kivu Province came under the control of

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