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November 23, 2004 – July 25, 2005
Natural History Museum
10th and Constitution Ave., NW
Location: 2nd Floor, Geology, Gems, and Minerals Hall
On view are 240 natural colored diamonds -- one of the most comprehensive collections of natural colored diamonds in the world -- loosely arranged to form the shape of a butterfly. The total weight of the diamonds is 166.64 carats.