THE APPRAISER'S CORNER

WWW cigem.ca

The following links are provided to allow gemmologists and appraisers keep up-to-date with developments in the industry. Copyright and content responsibility remain with the linked organization and do not represent any endorsement or opinion of the Canadian Institute of Gemmology.

Composite and leaded/filled rubies - How to deal with them

Gemstone Inclusion Library - Samples and Inclusion Glossary

Inclusion Album - From the GRS - Gem Research

Phototeque Gemmes-Inclusions

Inclusion Pictures - From the AIGS Gem Testing Laboratory

Les Inclusions (Inclusions) - in French

Spectra Database from Gemlab.UK

RRUFF: database of Raman spectra, X-ray diffraction and chemistry data for minerals

Optical Spectroscopic Data

Spectre d'Absorption (Absorption Spectra) - in French

Mineralogy Database - an excellent reference

Gill's index of G&G articles 1934-1980

Gems & Gemology Free Article View/Downloads

FARLANG - A collection of 25,000 pages, covering gems, diamonds, mining, gemology

Pearl-Guide.com. Excellent resource for pearls.

Rants & Slants articles From Richard Hughes ruby-sapphire.com

Pricescope Diamond Journal

Judge orders refund in sale of treated beryls

A Note on "B" Jade

Laser tomography: a new tool to uncover evidence of heating in ruby and sapphire

Guidelines with Respect to the Sale and Marketing of Diamonds, Coloured Gemstones and Pearls. View/Download brochure 252k

JVC Appraisal Guidelines/Part 1

JVC Appraisal Guidelines/Part 2

AGTA Gemstone Enhancement Manual

Five Retail Values

Describing Gemstone Treatments

Diamonds and "Made in Canada" Representations

Gemological Institute of America

Gemmological Association of Great Britain<

Deutsche Gemmologische Gesellschaft

Asian Institute of Gemmological Sciences

Canadian Institute of Gemmology

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