|GGTL Newsletter No. 2, Oct. 2013
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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.
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 !
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