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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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Winter 1994 G&G; Lab Notes
This section, from the Winter 1994 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1995 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 1995 G&G; Lab Notes
This section, from the Winter 1995 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Sapphires from Changle in Shandong Province, China
The fact that significant amounts of sapphire have been found in situ at Changle makes it unique among sapphire deposits in basaltic terrains around the world.
Winter 1990 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 1990 G&G; Lab Notes
This section, from the Winter 1990 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
Winter 1991 Gem News International
Winter 1991 G&G; Lab Notes
Winter 1989 Gem News International
Winter 1997 Gem News International
Winter 1997 G&G; Lab Notes
This section, from the Winter 1997 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Winter 1999 G&G; Lab Notes
This section, from the Winter 1999 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
