Gemology
Gemology…
gemology links in alphabetical order
Accredited Gemologists Association
is a nonprofit research, education and ethics organization benefiting professional and avocation gemologists as well as consumer interest
Alexandrite Gemstone Buyer and Collectors Guide
history, sources, valuation and collection of alexandrite gemstones. Topics also include chemical and physical properties, mythology, and color change phenomena as well as alexandrite synthetics and imitations
American Gem Society
m embers of the American Gem Society are dedicated to providing the most knowledgeable service to their customers
American Gem Trade Association
the AGTA is an association of US and Canadian colored gemstone and cultured pearl industry professionals dedicated to promoting the natural colored gemstone trade
Asian Institute of Gemological Sciences (AIGS)
located in Bangkok, Thailand, founded in 1978 as Southeast Asia’s first educational and research institute devoted exclusively to the training of students in the scientific and practical aspects of gemology and the gem trade
Canadian Gemmological Association
Canada’s professional organization for the practice of gemmology. Website contains information about the organization, including information on membership, products, meeting times, annual Gem Conferences and more.
Centre de Recherche Gemmologique
the Gemological Research Center at the University of Nantes
CISGEM
Italian centre for information and services in gemmology. As well as carrying out its principal work of analysis, the Centre provides extensive information on gemmology, through courses, conferences, publications
DeMello Gemological National Laboratory
Providing expert gemological testing and related appraisal services for consumers, gemstone buyers, collectors, legal counsel and law inforcement
D-Gem-G
Europe’s leading institute for training and research concerning gemmology since 1932
L’Ecole des Gemmes
Centre de formation qualifiante en gemmologie. Allied teaching center of the Gemmological Association of Great Britain in France.
Field gemology
dedicated to people sharing an equal passion for gems, gemology and traveling
Gem and Jewelry Institute of Thailand
Bangkok-based government gem lab and school
GEMLAB
gemological laboratory based in the Principality of Liechtenstein offering laboratory services
Gemlab Inc.
Research and development high-tech gem treatment laboratory, short courses in gem treatments, fabrication of gem instruments and gem treating equipment, books, etc.
Gemmes Inclusions
Photographs of inclusions in gemstones. Also covers treated stones, syntheses, doublets.
Gemmological Association and Gem Testing Laboratory of Great Britain
gives details of courses, tutotials, workshops, exam details and dates, trips and other special events, lectures etc.
Gemmological Association of All Japan
Japan’s leading gemmological educational institution
Gemmological Association of Australia
Australia’s traditional gemmological educator since 1945
Gemmological Society of South Africa
promotes fair trade and full disclosure by all gemstone traders
Gemmology in Scotland
Scottish Branch of the Gemmological Association
Gemmology World
Canadian Institute of Gemmology
Gem Nantes Gemmologie à Nantes
diverses formations en gemmologie (DUG et programmes courts) et les activités de recherche scientifique en gemmologie
The Gemology Project
non-profit gemstone and gem science wiki-style database for anyone interested in gemstones and gemology
Gemstone Identification Chart
analyze the results got with the refractometer, polariscope, dichroscope, spectroscope, UV light, dichromatic filter, density scale, microscope and loupe, hardness tester
Gemval
is an online guide to gemstone prices
GIA – Gemological Institute of America
the world’s largest and most respected nonprofit institute of gemological research and learning
Gübelin Gemmological Laboratories
Swiss gemmological laboratory
HRD (Hoge Raad voor Diamant)
Diamond High Council, Antwerp, Belgium
Instituto Brasileiro de Gemas e Metais Preciosos
private, non-profit association of Brazilian gemstone, jewellery and related industries
Institut Gemmologique de France
French gemological institute
Institut National de Gemmologie
The National Institute of Gemmology teaches over 500 persons a year and gives certifies over 100 persons each year (Brevet Professionnel, FEEG, Diploma of ING)
Instituto Gemológico Español
Spanish gemological institute
International Colored Gemstone Association
a non-profit association to represent the international gemstone industry
International Gem Society
dedicated to bringing quality information and educational services to everyone interested in gemstones
JewelInfo4u
collection of gemstone related information like buying guide, recource directory, info on different gemstone species, etc.
LABGEM
Portuguese gemological laboratory
Laboratoire français de Gemmologie
French gemological laboratory in Paris
RealGems.org
information on gemstones, collector stones and rare facetable minerals
Russian Gemological Server
information on business, research and educational projects in gemology
Swiss Gemmological Institute
part of the Swiss Foundation for the Research of Gemstones, founded by trade organisations in 1974 and works independently on a scientific basis
