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The Glory of Green Gems

Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewelry.

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Article
Leaf Motifs: Timeless Beauty for All Seasons of Jewelry

The humble leaf has captivated jewelry designers for centuries and they’ve transformed it enduring pieces of beautiful jewelry.

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Santa Terezinha De Goias Emeralds
The Santa Terezinha De Goias Emerald Deposit

Brazil has become a leading producer of emeralds; this article examines one of the most significant deposits.

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13 ct emerald from Belmont mine’s underground tunnel
Fortieth Anniversary of the Belmont Mine

Marcelo Ribeiro offers an update on mining and cutting activities at the Belmont emerald mine in Brazil.

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Searching for Emeralds in Afghanistan

GIA field gemologists are a different breed. When Andy Lucas, GIA manager of Field Gemology in Carlsbad, decided to take some vacation time, he didn’t make for the usual destinations. No beaches, ski resorts, or cosmopolitan cities. Lucas instead headed off to Afghanistan, lured by deposits of fine emeralds.

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Emeralds of Colombia

A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.

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Confusing, Triangular Inclusions in an Art Deco-Style Pin
Spring 1991 G&G Lab Notes

This section, from the Spring 1991 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.

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The Coscuez Mine: A Major Source of Colombian Emeralds

The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.

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Gemstones of Pakistan: Emerald, Ruby, and Spinel

This article reports on three gem materials currently being mined in Pakistan.

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The Chromium Content of Lechleitner Synthetic Emerald Overgrowth

The higher the chromium content in synthetic emerald overgrowth, the darker the coating and appearance of the stone will be.

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