Reading Time: 3 minutes
GIA continues to celebrate Gems & Gemology’s (G&G) remarkable 90th year with the release of the Summer 2024 issue of the renowned journal. Since its inception in January 1934, G&G has been dedicated to providing the jewelry trade with accurate and up-to-date information about gemstones. This summer issue is no exception, delivering the latest advancements in gemological research, with a focus on scientific techniques and instrumentation that are transforming the field.
This and every issue of G&G since 1934 is available at no cost on GIA’s website at gia.edu/gems-gemology.
Feature articles include:
This and every issue of G&G since 1934 is available at no cost on GIA’s website at gia.edu/gems-gemology.
Feature articles include:
- Laboratory-Grown Diamonds: An Update on Identification and Products Evaluated at GIA Sally Eaton-Magaña, Matthew F. Hardman, and Shoko Odake Reviews the latest advancements and trends in laboratory-grown diamonds observed by GIA since 2007, highlighting significant developments in identification techniques.
- Gemological and Trace Element Characteristics of Cassiterite from Yunling, China Wenqing Huang, Jungui Zhou, Ting Shui, Junyi Pan, Fanwei Meng, Rui Zuo, Shuxin Dong, and Suqiao Cao Examines gem-quality cassiterite from southwest China, providing an in-depth analysis of its trace element chemistry to distinguish it from Bolivian cassiterite.
- Gem-Quality Anorthoclase Feldspar from Southeast Vietnam Le Ngoc Nang, Pham Minh Tien, Pham Minh, and Pham Trung Hieu Characterizes an anorthoclase variety of alkali feldspar from southeast Vietnam, evaluating its potential for commercial use in the gem market.
- Micro-Features of Tourmaline Nathan Renfro, Tyler Smith, John I. Koivula, Shane F. McClure, and James E. Shigley A comprehensive visual guide to the internal features of tourmaline, showcasing the diversity and complexity of this popular gemstone.
- Lab Notes reports on the latest findings from GIA’s laboratory, including large diamonds with asteriated cloud inclusions.
- Micro-World showcases the internal features in gems, including a unique fingerprint in Montana sapphire.
- Colored Stones Unearthed provides an overview of gem materials and their unique growth conditions.
- Gem News International explores what is happening around the world in the field of gemology.
- In the Spotlight: “Dance of Light and Color: Painted Labradorite”
