Article Search Results

Unique Drilled Emerald

Edyta J. Banasiak, August 3, 2016

An emerald with drill holes containing a resinous material is seen in the New York lab.

Article

Summer 2016 G&G: Diamonds from Diavik, Responsible Sourcing and Fabergé Cossack Figures

Jennifer-Lynn Archuleta, August 3, 2016

A summary of the content found in the Summer 2016 issue of Gems & Gemology.

Article

Photoluminescence Review and Gem Material from Unusual Locales in the Spring 2016 G&G

Jennifer-Lynn Archuleta, April 26, 2016

A summary of the content in the Spring 2016 issue of Gems & Gemology.

G&G Brief presents an overview of the content of the Fall 2015 issue of Gems & Gemology.

Article

Autumn 2015 G&G: Trapiche Emeralds, Synthetic Diamonds and a Large Diamond Source

Russell Shor, November 4, 2015

G&G Brief presents an overview of the content of the Autumn 2015 issue of Gems & Gemology.

Ron Ringsrud, a longtime independent colored stone dealer, buys emeralds in El Chacaro, near the Coscuez mine in Boyacá, Colombia. Photo courtesy of Ron Ringsrud, photographed by Montgomery Chitty.

Article

Living ‘Miracle to Miracle’: Gemmologist Reflects on 30 Years in the Colombian Emerald Trade

Jaime Kautsky, September 2, 2015

Graduate’s fascination with gems began in GIA’s warehouse and put him on a fast track to becoming an expert on Colombian emeralds.

Fracture Filling of Emeralds Opticon and Traditional "Oils"

Robert C. Kammerling, John I. Koivula, June 1, 1991

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.

Emeralds of the Panjshir Valley, Afghanistan

Gary Bowersox, Lawrence W. Snee, March 1, 1991

With the withdrawal of Soviet troops from Afghanistan, villagers in the Panjshir Valley are turning their attention to the emerald riches of the nearby Hindu Kush Mountains.

The oil treatment of emeralds in Bogotá, Colombia

Ron Ringsrud, September 1, 1983

This article focuses on Colombian emeralds and gives a detailed explanation of the oiling process as observed by the author.

Abstracts; Autumn 1991

Dona M. Dirlam

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.

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Summer 2009

Brendan M. Laurs, Thomas W. Overton

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

Article Search Results

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Gemstones

Article Search Results

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Content Type

Reviewed

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Gemstones

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