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Visitor finds 2.3-carat diamond at Arkansas state park
In 1924, before the park’s founding, the 40.23 Uncle Sam Diamond was found in what is now the park area. You can see that diamond on display at the Smithsonian Museum. For the latest news ...
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America has a 3-billion year treasure: +75,000 found at the bottom
At least 35,000 diamonds have been mined here since 1972. Some of the highlights of these recoveries include 40.23 carats of Uncle Sam diamond, the largest one found in America, and the 16.37 carats ...