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GGTL Newsletter No. 2, Oct. 2013 https://gemologyonline.com/Forum/phpBB2/viewtopic.php?f=55&t=18907 |
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Author: | mikko [ Tue Oct 29, 2013 3:21 am ] |
Post subject: | GGTL Newsletter No. 2, Oct. 2013 |
October 2013 newsletter from GGTL Laboratories is out. Including: GGTL Laboratories web site Monocrystalline CVD synthetic diamonds HIH synthetic diamonds are more frequently encountered The consequences of very high temperature heat treatment of blue sapphire. A bicolored purple and blue "Maxixe" type beryl Fissure filling of aquamarine with epoxy resin Calcitic pearls of apparent green color |
Author: | danielle [ Tue Oct 29, 2013 3:51 am ] |
Post subject: | Re: GGTL Newsletter No. 2, Oct. 2013 |
Hi mikko ! Thank you |
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