Color White with blue cast Country of origin Brazil | Cut Oval (brilliant) | |
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Weight 5,899.5 carats (1,179.90 g) Cut by Wilford R. Frank, Bellaire, Texas Family of Wiford R. Frank Original owner Wilford R. Frank, Bellaire, Texas Family of Wilford R. Frank | ||
The Chalmer's Topaz is a topaz gem weighing 5,899.5-carats located in Chicago, Illinois' Grainger Hall of Gems, in the Field Museum of Natural History. It was named for former Field Museum trustee William J. Chalmers and is one of the largest cut topaz gems in the world.
References
Chalmers Topaz Wikipedia(Text) CC BY-SA