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ZIRCON
Zircon is a colorful gem with high refraction and fire that’s unfairly confused with cubic zirconia.
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Research
A Zircon with Strong Photochromic Effect
Gemstone Guidebook Project
A project coordinated by GIA and the NGO Pact provides a valuable educational tool to women miners in Tanzania.
Rex Guo: The Science and Art of Recutting Fine Gemstones
Vibrantly Colored Gems
Bill Larson of Pala International reports a very strong AGTA Tucson show.
Reversible Color Modification of Blue Zircon by Long-Wave Ultraviolet Radiation
Determines whether blue zircon, inadvertently altered to brown by exposure to long-wave UV radiation, can be restored to its original color through the use of incandescent light.
The Fluid Art of Angela Conty
Chemical Analysis of Zircon
Trace-element analysis is used to identify metamictization, treatment, and growth conditions of zircon.
Tenebrescent Zircon
Color modification is observed in a reddish orange zircon at the Bangkok laboratory.
Update on Ametrine from the Yuruty Mine, Bolivia
Spring 2000 Gem News International
Zircon from the Harts Range, Northern Territory, Australia
Gem-quality zircon from a relatively underdeveloped locality in the Harts Range of central Australia is described.
The Elahera Gem Field in Central Sri Lanka
The Elahera gem field currently provides approximately 35% of the gemstones exported from Sri Lanka.
