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Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike County, Arkansas, in the United States. The park features a 37.5-acre (15.2-hectare) plowed field, one of the few diamond -bearing sites accessible to the public. Diamonds have been discovered in the field continuously since 1906, including the graded-perfect ...
Discovery date: March 4, 2023. David Anderson, who lives in Murfreesboro, found a 3.29-carat brown diamond while wet-sifting soil in March 2023. The diamond was the largest found at the park since ...
Uncle Sam diamond. Uncle Sam is the nickname for the largest diamond ever discovered in the United States. It was found in 1924 in Murfreesboro, Arkansas, at the Prairie Creek pipe mine, which later became known as the Crater of Diamonds State Park. The diamond was named "Uncle Sam" after the nickname of its finder, Wesley Oley Basham, a worker ...
It also is the 36,500th diamond registered since Crater of Diamonds became a state park in 1972. The diamond is “about the size of a pencil eraser” and is “light brown color resembling iced ...
The 37-acre field where visitors can search for treasures is the eroded surface of a volcanic crater, according to the park. In addition to diamonds, other precious gems like amethysts and garnets ...
The Canary Diamond is an uncut canary-yellow 17.86 carat diamond found in 1917 at what is now the Crater of Diamonds State Park in Arkansas. [ 1 ][ 2 ] It is in the collection of the Smithsonian Museum of Natural History. [ 3 ] The diamond was in the collection of civil engineer and mineral collector Washington Roebling; his son donated it ...
The 7.46 carat diamond discovered by Julien Navas, of Paris, France, upon his visit to the Crater of Diamonds State Park in Arkansas on January 11, 2024. - Courtesy Arkansas State Parks
Research at Argyle diamond have shown that most stones are of E-type; they originate from eclogite source rocks and were formed under high temperature ~1,400 °C (2,600 °F). The Argyle diamond mine is the main source of rare pink diamonds. Olivine lamproite pyroclastic rocks and dikes are sometimes hosts for diamonds.