“The Pearl Book: The Definitive Buying Guide—How to Select, Buy, Care for & Enjoy Pearls”; “Gemstones of Brazil: Geology and Occurrences”; “Encyclopedia of Mineral Names”; “Proceedings of the Sixth International Kimberlite Conference”

This section, from the Summer 1998 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

“The Complete Handbook for Gemstone Weight Estimation”; “Gemmologist’s Compendium, 7th Edition”; “Christmas Jewelry”; “Glossary of Mineral Synonyms”; “The Photo-Atlas of Minerals”; “Mani-Mala, or A Treatise on Gems”; “Edelsteine: Symbole der Schönheit und der Macht (Gemstones: Symbols of Beauty and Power)”;

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.

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.

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 article, from the Summer 1985 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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.

An analysis of green glass said to be made from ash from Mount Saint Helen.

Inclusions cause chatoyancy in these rare gems.

“The Diamond Yearbook 1986-1987”; “Garnet”

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.

珠宝、宝石以及其他非现金资产捐助者