Post subject: Multicolour's Latest GemVineL Gem Treatments
Posted: Sun Aug 30, 2020 8:30 pm
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Joined: Sun Oct 16, 2005 12:22 pm Posts: 21602 Location: San Francisco
Another great contibution from David Weinberg Below, in the August 2020 edition of Gemvine, we look at some of the frequently encountered gem treatment processes and the stories behind them. A unique Madagascan ruby is featured in the Relics & Rarities section. Special thanks to Richard W. Hughes, founder of Lotus Gemology laboratory, for photographs and information and Harvey Bamford, a Bangkok based gem cook for invaluable insights into details regarding commercial gemstones heat treatments.
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