Photo above: Dr Dietmar Schwarz, Research Manager, Gubelin Gemological Laboratory.
The Gemological Institute of America (GIA) Thailand has announced that it will hold its 25th gemstone gathering on the 24th of June 2009.
The presentation “Colored Gemstones- Mines and Market” will be presented by Dr Dietmar Schwarz, Research Manager Gubelin Gemological Laboratory. The presentation will begin at 6:00 PM. It is a free gathering.… Continue reading