Contacts & Links
The following world-renowned gemmological laboratories (listed in alphabetical order) are represented within the LMHC.
Tokyo, Nagoya, Osaka and Fukuoka in Japan
DSEF German Gem Lab
Idar Oberstein, Germany
Carlsbad and New York, USA
GIT- The Gem and Jewelry Institute of Thailand
Gubelin Gem Lab Ltd.
Lucerne (Switzerland), Hong Kong and New York
Swiss Gemmological Institute SSEF
Useful references & Links
IMA (International Mineralogical association)
IMA list of minerals