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Tuesday, March 31, 2009

Gem Lab Update

- Clarity treated diamonds
- About the extreme hardness of some diamonds
- Two fascinating synthetic rubies

http://www.gemlab.net/website/gemlab/fileadmin/user_upload/Research/Gemlab-Newsletter-03-2009-forPDF.pdf

Useful link:
www.gemlab.net

Interesting ID report.

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