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
GGTL Newsletter No. 2, Oct. 2013
Moderators: Stephen Challener, Barbra Voltaire, FGG, Alberto
Re: GGTL Newsletter No. 2, Oct. 2013
Hi mikko !
Thank you
Thank you
danielle
[i]"I always believed in being myself"- Thelonious Monk[/i]
[i]"I always believed in being myself"- Thelonious Monk[/i]