Chalmers Topaz
 The Chalmer's Topaz on display at the Field Museum of Natural History | |
| Weight | 5,899.5 carats (1,179.90 g) |
|---|---|
| Color | White with blue cast |
| Cut | Oval (brilliant)[1] |
| Country of origin | Brazil |
| Cut by | Wilford R. Frank, Bellaire, Texas Family of Wiford R. Frank |
| Original owner | Wilford R. Frank, Bellaire, Texas Family of Wilford R. Frank |
| Owner | Field Museum of Natural History, Grainger Hall of Gems |
| Estimated value | Unassessed[2] |
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.[3]
References
- ↑ GEO84618c. "Captions from Selected Geology Photographs." Field Museum Library Photo Archives. Retrieved 2/19/2010.
- ↑ Naperville native behind new Field Museum gems, jewelry exhibit. Daily Herald. Retrieved 2/19/2010.
- ↑ Grainger Hall of Gems, Gallery of Gems, Topaz. Retrieved 2/19/2010.
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