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Tongo to Produce 1M Carats Over 18 Years
Freetown: Stellar Diamonds said a preliminary economic assessment shows the Tongo kimberlite project in Sierra Leone can produce almost 1 million carats over the next
25 August 2015
Freetown: Stellar Diamonds said a preliminary economic assessment shows the Tongo kimberlite project in Sierra Leone can produce almost 1 million carats over the next