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80 Years of Gems & Gemology

Over these eight decades, G&G has been a critical resource for the gem and jewellery industry. Groundbreaking articles on diamond grading appeared as early as the 1940s. Through the Lab Notes section, GIA gemmologists reported on the latest treatments and synthetics, which helped to protect the trade and the public.

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Article
Landmark Articles from
Gems & gemmology

For eight decades, Gems & Gemology, GIA’s peer-reviewed quarterly journal, has educated generations of readers and protected the gem-buying public. We share ten landmark articles that were particularly significant to gem and jewellery professionals.

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Opticon treatment
Fracture Filling of Emeralds Opticon and Traditional "Oils"

The filling of surface-reaching breaks in emeralds is a relatively common practice, for which various kinds of oils and a natural resin have historically been used.

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Gemstone Durability: Design to Display

A treatise on the design, display, care and repair of fine gemstones.

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Abstracts; Summer 1991

From the Summer 1991 issue of Gems & Gemmology, a summary of important gemmology-related articles published in other journals.

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Abstracts; Spring 1991

This article, from the Spring 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Abstracts; Autumn 1991

This article, from the Autumn 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemology.

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Emerald
Article
Emerald Care and Cleaning Guide

Learn about emerald's durability and how to care for your emerald jewellery.

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Article
GIA Gem Project
Beryl

Chemically pure beryl is colourless, but trace elements give rise to green, blue and pink/red colours.

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Rough Emerald
Article
Seeing Green: All About Emeralds

Want to see into the future? Be an eloquent speaker? Defeat spells and enchantments? Such is the lore of the emerald.

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