|Asin Gemmological Institute & Laboratory
7th Floor, 11 Lock Road
Tel: 852 272-30429
Fax: 852 236-75201
Dominic Mok, M.Sc., F.G.A., F.G.A.A., D.G.A.
All types of gem identification.
Complete gem testing equipment, X-ray Fluorescence,
Electron Microprobe, GammaRay Spectroscope,
Scanning Electon Microscope, Infra-Red Spectrometer,
Gem testing; Insurance valuation for insurance
companies, jewelry probate valuation.
Gem properties described according to International
Gemological Standards. Diamond Color treatment
Programs for introduction to gemology and higher
|Hong Kong Gem Laboratory:
26 Floor Tung Hip Commercial Bldg.
244, Des Voeux Road, Central
Tel: 852 28151880
Fax: 852 28543970
Ms. C. M. Ou Yang, B.Sc., M. Phil., F.G.S. (Ldn)., F.G.A.
(Ldn) Dip. Dia (GIA).
All types of gem Identification Including rough.
Complete gem testing equipment, Electro Microprobe,
Electro Scanning Microscope.
Gem testing and identification, valuations and probate and
Gem properties described according to international gemological
standards. Origins of colored stones alo supplied.
Introduction to gemology and advanced classes available.
|Hong Kong Jade & Stone Laboratory Ltd.:
16 Floor. Hang Lung House
184-192 Queen's Road Central
Tel: 852 25450817
Fax: 852 25430713
Hong Kong Jade Manufacturers Association.
Mainly jadeite testing, also some colored stones
Complete range of gem testing equipment and Infrared
Jadite testing and certification. Identification of polymer
impregnation and color treatment.
Certificates according to international gemological
standards, widely accepted by most retailers.
Seminars on Gem Identification for members only.