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Thursday, January 29, 2009

Gemstone Treatment (s) Update

A Dark Hour for Gemology: The Diffusion Debacle
http://www.colored-stone.com/stories/jan09/gem-diffusion.cfm

Useful links:
www.schoolofgemology.com
www.colored-stone.com

Thank you Dave. Detection/discolusure will be always an issue in the trade. No one knows where to draw the line.

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