How to Check Blue Sapphire Beryllium Diffusion Treatment using Water Immersion Technique 

GIA Study link (Summer 2003 - Beryllium Diffusion): www.gia.edu/ge...
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Time stamps:
1) Why are Blue Sapphires treated? (min 1:10)
3) Equipment Large Gem Labs use to check for diffusion sapphires (min 2:53)
4) Explanation on Immersion technique to check for diffusion (min 4:01)
5) Results of Water Immersion test of Heated vs Diffusion Sapphires (min 7:50)
6) Check Blue Sapphires Heated vs Diffusion Sapphires under the microscope (min 9:42)
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In this video, we discuss how to check if the sapphire you have purchased has been chemically diffused (especially beryllium) or not. Please note this is not 100% accurate test and we do recommend to send it reliable third party lab to verify.
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