Straight, acicular, colorless solid inclusions in demantoid garnet from the Ural Mountains of Russia were investigated by laser Raman microspectrometry.

This section, from the Winter 1999 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

The 1990s witnessed important developments in the commercial viability of gem-quality synthetic diamonds.

In the last decade, technology has improved how we synthesize, process, identify, and otherwise study gem materials.

“Gemstones: Symbols of Beauty and Power”; “The Jeweled Menagerie: The World of Animals in Gems”; “Diamond: A Journey to the Heart of an Obsession”; “Barren Lands: An Epic Search for Diamonds in the North American Arctic.”; “Pearls: A Natural History”; “Diamonds: Famous & Fatal”; “Proceedings of the International Workshop on Material Characterization by Solid State Spectroscopy: Gems and Minerals of Vietnam”; “Shinju no Kagaku [Science of the Pearl]”; “Minding the Store”

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.

This section, from the Winter 2001 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

According to Richard Liddicoat, the critical thinking process necessary for gem identification can be compared to the keen detective work of a Sherlock Homes.

The authors used various analytical techniques to study 15 faceted samples of johachidolite from Myanmar.

Updated formulas are presented for estimating the weights of mounted colored gemstones.

The examination of 23 tanzanites coated by an apparently new technique.

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.

This section, from the Summer 1996 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.