Congo, Tanzania
Is Coltan Trafficking Returning?
A suspicious expedition of coltan was stopped by Tanzania's harbor authorities, who are eager to regain the country's trust.
Burundi, Rwanda
Niobium and Cassiterite Exports
Some 90 tons of cassiterite passed through Bujumbura last year and 14 tons of niobium ore worth around $140,000 were [...]
Published on 31/05/2000 at 11:00 GMT
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