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Coltan is a dull black metallic ore from which the elements niobium and tantalum are extracted Miners consider coltan mining a way to provide for themselves in the face of widespread war and conflict and a a shift is also being seen from traditional sources such as Australia towards new suppliers such as Egypt

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Tantalum ores are recognized mainly in Australia Canada Brazil and central Africa with some additional quantities create in Southeast Asia and in China There is also anxiety in exploration for this element in a diversity of regions of the world such as Canada Egypt and Saudi Arabia

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