Chalmers Topaz

Chalmers Topaz
Chalmer's Topaz
Weight 5,899.5 carats (1,179.8 g)
Color White with blue cast
Cut Oval (brilliant)[1]
Country of origin Brazil
Cut by Walter Kean[2]
Original owner Mrs. Thuy Ngo Nguyen
Current owner Field Museum of Natural History, Grainger Hall of Gems
Estimated value Unassessed [3]
The Chalmer's Topaz in its display case.
The Chalmer's Topaz on display at the Field Museum of Natural History.

The Chalmer's Topaz is a topaz gem weighting 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.[4]

References

  1. ^ GEO84618c. "Captions from Selected Geology Photographs." Field Museum Library Photo Archives. Retrieved 2/19/2010.
  2. ^ Full text of "Annual report". University of Illinois at Urbana-Champaign. Retrieved 2/19/2010.
  3. ^ Naperville native behind new Field Museum gems, jewelry exhibit. Daily Herald. Retrieved 2/19/2010.
  4. ^ Grainger Hall of Gems, Gallery of Gems, Topaz. Retrieved 2/19/2010.
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