emerald

The following is a genuine conversation the author had with ChatGPT in May 2025. It provides a cautionary tale regarding the application of artifical intelligence without proper fact checking.

Although many emerald deposits also produce alexandrite, particularly those formed in association with mica-rich schist, it is rare that both gems are found in such a close association that they can be fashioned into a single stone. This article details the examination of one such piece, reportedly originating from a deposit in Malysheva, Russia.

Gübelin, Eduard J. & Koivula, John I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Opinio Publishers, Basel, Switzerland, 830 pp. ISBN 978-3855040957

A brief look at the famous emerald and alexandrite from Russia's Ural Mountain mines.

An exploration of the history and lore of the Emerald Buddha, a green statue that resides in Bangkok, Thailand’s Wat Phra Kaeo and watches over Thailand.

Welcome to the world of green fire — a curated list of the most important reference books and papers on emeralds from around the world, including Colombia, Russia, Zambia, Brazil, Zimbabwe, Afghanistan, Pakistan, and more.

One of the greatest gemological challenges is determining if a ruby or sapphire has been heat treated. UV fluorescence can assist in that identification, as well as detecting fillers in emerald.

This article discusses the use of handheld long-wave ultraviolet torches with the microscope. It has been found that these have tremendous utility in identifying and characterizing certain oiled gemstones, such as emerald, tourmaline, etc.