Spring 2009 G&G; Lab Notes
This section, from the Spring 2009 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
Bastnäsite-(CE) and Parisite-(CE) from Mt. Malosa, Malawi
Spring 2010 G&G Lab Notes
This section, from the Spring 2010 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
Color Alterations in CVD Synthetic Diamond with Heat and UV Exposure: Implications for Color Grading and Identification
Spring 2011 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.
Spring 2012 G&G; Book Reviews
Natural-Color Nonconductive Gray-to-Blue Diamonds
Two new categories of gray-to-blue diamonds are described.
Kilbourne Hole Peridot
This little-known source of gem-quality peridot, located in southwestern New Mexico, produces small but brilliant gems.
Summer 2008 G&G; Book Reviews
Coloring of Topaz by Coating and Diffusion Processes: An X-Ray Photoemission Study of What Happens Beneath the Surface
Surface-treated topaz has become a viable alternative to topaz colored by irradiation.
Summer 2008 Gem News International
Summer 2008 G&G; Lab Notes
Summer 2001 G&G; Lab Notes
Summer 2002 G&G; Book Reviews
全新含铬和钒的柘榴石，产自马达加斯加的特拉诺罗亚 (英语)
Pyrope-spessartine garnets from Tranoroa, in southern Madagascar, contain appreciable Cr and somewhat lower V contents.
Summer 2002 Gem News International
Update on the Identification of Treated “Golden” South Sea Cultured Pearls
Summer 2002 G&G; Lab Notes
This section, from the Summer 2002 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.
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