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GEMPEDIA, A Comprehensive Glossary for Gemstones and Gemmology

GEMPEDIA, A Comprehensive Glossary for Gemstones and Gemmology

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GEMPEDIA is a compendium of more than 7,300 terms and definitions gathered over decades by Rui Galopim de Carvalho FGA DGA, a renowned professional gemmologist and consultant with over 30 years of experience within the gems and jewellery trade in gem testing, education and science communication. This compilation has been endorsed by Gem-A — The Gemmological Association of Great Britain, the world’s longest established provider of gem and jewellery education, and supported by the Asian Institute of Gemological Sciences (AIGS), one of Asia’s first international gemmological institutes.

This glossary for gemstones and gemmology was made for students, professionals and gem and jewellery aficionados to provide the most comprehensive reference source for understanding and clarifying the wide ranging terminology used across the fascinating world of gemmology and its associated industries.

 “This book is a must have for anyone interested in gemmology”, Guy Lalous, Ambassador FEEG – Federation for European Education in Gemmology 

“Not only a ‘go to’ guide for gemmology, but one that can be entirely read and browsed to increase your own knowledge”,  Alan Hart, CEO – Gem-A, The Gemmological Association of Great Britain

“It's really a great reference book for me and should be highly recommended to all gemmologists” , Edward Liu, Chairman – The Gemmological Association of Hong Kong

“This work of Rui Galopim, a renowned friend in gemmology, is highly admirable”, Pornsawat Wathanakul, former Director of GIT – Gem & Jewelry Institute of Thailand    


Title: GEMPEDIA, A Comprehensive Glossary for Gemstones and Gemmology

Author: Rui Galopim de Carvalho

1st Edition 2024 (second print run)

Publisher: AIGS - Asian Institute of Gemological Sciences, Bangkok

Total number of pages: 719

ISBN: 978 972 780 917 2

ATTENTION: Typically, shipments go out only once a week on Mondays!

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Customer Reviews

Based on 24 reviews
Jill Burgum
A must-have jewelry encyclopedia

Every serious jewelry professional should have a copy of Gempedia. This well-detailed book is the most comprehensive jewelry research tool available since 1981's An Illustrated Dictionary of Jewelry. While Gempedia does not include photos, the sheer volume of information provided is spectacular. This book provides answers to questions, one has yet to think of. For industry beginners, this is the book to study and learn from on the path to becoming a more well-rounded professional.


It is amazing! My only comment is I wish it had pictures, or a supplement with pictures of the gems for reference too, but I love it!

Carlos Torres
A Gem Lover's Treasure: Gempedia Shines Bright

Gempedia is an absolute gem of a resource for anyone passionate about gemology. This comprehensive compendium offers a wealth of information on a dazzling array of gemstones, from their geological origins to their unique properties and uses. The detailed descriptions and user-friendly layout make it an invaluable tool for both beginners and seasoned gemologists. Gempedia not only educates but also inspires a deeper appreciation for the beauty and diversity of gems. It is truly a sparkling addition to any gem enthusiast's library.

Antoinette Matlins
Your Gem "Collection" Isn't Complete Without GEMPEDIA!

This book is without question a MUST for anyone with an interest in gems and the gemological field in general ... regardless of whether you are a beginner or an experienced veteran! I'm having a wonderful time "testing" myself, but I'm embarrassed to admit how much I'm learning--and how much I'm discovering I have yet to learn in certain facets of the field. What an enormous undertaking that not only leaves no stone unturned, but does it with clarity and brilliant insights! Thank you Rui!

Marie T
Comprehensive Guide to Gemstones

Gempedia exceeded my expectations. It is comprehensive and a valuable tool for industry professionals and collectors.