While we usually associate the diamond business with mines, there are companies who hunt for gems in the open sea. A popular hunting ground is the coast of Namibia, where ships comb the sandy sea bottom in hopes of sucking up diamonds that were washed offshore in ages gone past.
De Beers is one such company and it announced a significant find on Wednesday — though not of diamonds. The company believes it has located a treasure ship that could date back to the 15th century. The ship was laden with thousands of gold coins and a hoard of more than 50 elephant tusks. . . .
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