GIA has announced the release of the Winter edition of their quarterly professional journal, Gems & Gemology (G&G). This issue features articles that examine blue Burmese sapphires, the source of rich olive color peridot in Pyaung-Gaung, and the history of emerald mining in Austria’s Habachtal region.
This and every issue of G&G since 1934 is available at no cost on GIA’s website at gia.edu/gems-gemology.
Winter 2021 G&G featured articles:
- Blue Sapphires from Mogok, Myanmar: A Gemological Review
Presents a gemological analysis of blue Burmese sapphires from Mogok, based on a series of field expeditions over the last decade.
- Gemological Characterization of Peridot from Pyaung-Gaung in Mogok, Myanmar
Examines the mining and the internal, spectroscopic, and chemical features of peridot from this deposit, which possesses a rich olive green color and is found in large sizes.
- History of Emerald Mining in the Habachtal Deposit of Austria, Part I
Discusses the mining history of Austria’s Habachtal region, regarded as one of the earliest emerald deposits.
In this issue, the debut of the regular section “Colored Stones Unearthed” explores the formation of colored stones from the crust-mantle transition and below.
The Lab Notes section uncovers the latest findings from GIA laboratories, Micro-World gives an in-depth look at the hidden world of gem inclusions, and Gem News International provides global coverage of gem sources and industry developments.
This and every issue of G&G since 1934, including full contents, photo galleries and exclusive video footage, is available at no cost on GIA’s website at GIA.edu/gems-gemology. Additional research articles are available at GIA.edu/gia-news-research.
Engage with the gemology community about the industry and content published in G&G, by joining the G&G Facebook group at facebook.com/groups/giagemsgemology.
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