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Sapphire
The name “sapphire” can also apply to any corundum that’s not ruby red, another corundum variety.
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Spring 1987 G&G Lab Notes
This section, from the Spring 1987 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Spring 1988 Gem News International
Spring 1988 G&G; Lab Notes
Spring 1989 G&G; Lab Notes
Spring 1991 Gem News International
A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.
Winter 1982 G&G; Lab Notes
Spring 1998 G&G; Lab Notes
Some Diagnostic Features of Russian Hydrothermal Synthetic Rubies and Sapphires
Most Russian hydrothermal synthetic rubies and pink, orange, green, blue, and violet sapphires—colored by chromium and/or nickel—reveal diagnostic zigzag or mosaic-like growth structures associated with color zoning.
Winter 2003 G&G Lab Notes
This section, from the Winter 2003 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 2004 Gem News International
A New Method for Detecting Be Diffusion-Treated Sapphires: Laser-Induced Breakdown Spectroscopy (LIBS)
This article describes the first application of laser-induced breakdown spectroscopy (LIBS) to gemology.
Winter 2005 G&G; Lab Notes
This section, from the Winter 2005 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
