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Ganoksin Online Handbook for Amateur Gem Buyers - Very interesting!!!

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Author Topic: Ganoksin Online Handbook for Amateur Gem Buyers - Very interesting!!!  (Read 583 times)
rocks2dust
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« on: August 18, 2014, 02:14:36 pm »

I'm wondering when this was written? There is some glaringly obsolete information in this (esp. in the treatments section, where many gems that are now known to be subject to heavy treatment are described as "not enhanced by present technology" and some of the treatment methods described have been superseded by other, harder to detect treatments).
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