Issues with Treated and Natural Green to Greenish Blue Diamonds

Posted on May 1, 2014 by By Franck Notari and Thomas Hainschwang

High energy radiation, likely gamma radiation, causes carbon atoms to be expelled from their lattice site into an interstitial site and this leaves a so-called “carbon vacancy” or simply “vacancy.” This vacancy of neutral charge…

GemWorld articles are accessible by GemGuide members only.
Already a member?

Click here and Login

To access our archive of articles and get many other great features and benefits, become a member now!

Become a member