[Gemstone Secrets] How to Avoid Glass and Acquire Gems

Identify this characteristic in light and you can be sure to avoid buying glass instead of a gemstone. Learn how to use the common tools of a gemologist to escape this pitfall and save yourself embarrassment and money.

This video gets into how to use the tools effectively and some of the science behind it. If you want a full explanation and more scientifically articulate, text-based version, I suggest you read the article by Richard Hughes on Lotus Gemology's website:

https://www.lotusgemology.com/index.php/library/articles/296-pleochroism-in-faceted-gems-lotus-gemology

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Видео [Gemstone Secrets] How to Avoid Glass and Acquire Gems канала Gemology for Schmucks