Dec 6, 2023 · Natural resources. cobalt, copper, niobium, tantalum, petroleum, industrial and gem diamonds, gold, silver, zinc, manganese, tin, uranium, coal, hydropower, timber note 1: coltan, the industrial name for a columbite–tantalite mineral from which niobium and tantalum are extracted, is being linked to warfare in the Democratic Republic of the Congo; mining of coltan is mainly artisanal and
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