How to tell the difference between Unheated Ruby & Lead Glass Filled Ruby?

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For additional pictures and explanation regarding ruby treatments I would recommend to check our very popular blog post: https://buygemstone.info/2012/09/28/natural-ruby-buying-treatment-guide-how-to-buy-and-tell-the-difference-between-natural-unheated-heated-new-glass-filled-ruby-treatment/

In this video, I tried to distinguish between a very expensive unheated ruby with extremely cheap lead glass filled ruby (composite ruby) under microscope.

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Видео How to tell the difference between Unheated Ruby & Lead Glass Filled Ruby? канала Thai Native Gems