1951 March 19 - 1951 April 2
The "Black Orloff" Diamond exhibition presented the world's largest black diamond. The gem was once among the crown jewels of Russia and is considered the most famous diamond of its kind in the world. Frederick H. Pough, Curator of Physical Geology and Mineralogy at the Museum, stated that the showing was arranged with the present owner, Charles Winson. The diamond was on view in the Morgan Gem Hall of the American Museum of Natural History from March 19 though April 2, 1951.
Individuals and institutions involved in the creation of the exhibition: Frederick H. Pough, AMNH Curator of Physical Geology and Mineralogy.
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