emerald
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Book Review | Photoatlas of Inclusions in Gemstones, Volume 2 | Lotus Gemology
Gübelin, Eduard J. & Koivula, John I. (2005) Photoatlas of Inclusions in Gemstones, Volume 2. Opinio Publishers, Basel, Switzerland, 830 pp. ISBN 978-3855040957
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Emerald & Alexandrite from Russia | A Closer Look
A brief look at the famous emerald and alexandrite from Russia's Ural Mountain mines.
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Emerald Buddha | Symbol of the Kingdom of Thailand
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.
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Heat Seeker | UV Fluorescence as a Gemological Tool
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.
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Long-Wave Ultraviolet Torches • A Gemologist’s New Best Friend
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.