“Almost Flawless”: Okavango Blue Diamond And Botswana Mining Exhibit Comes To The AMNH
A new exhibit at the American Museum of Natural History showcases a rare 20-carat blue diamond from Botswana that’s considered nearly flawless. The museum unveiled the Okavango Blue Diamond on Wednesday at the Mignone Halls of Gems and Minerals, along with hundreds of rough natural diamonds, as part of a new exhibit about the history of the diamond mining industry in Botswana. A rarity...
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