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Looking down the crystal axis of a back-lit 58.83 ct trapiche emerald

Article

Emerald: The Superstar of Trapiche Gemstones

Sharon Bohannon, May 17, 2019

Trapiche emeralds, which display a distinct six-spoke wheel pattern, set the standard as some of the finest and most spectacular crystals ever unearthed.

Article

Pyrope Garnet and Montana Sapphires Highlight Winter 2015 G&G

Russell Shor, February 1, 2016

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

Article

How to Protect Your Diamond from Chipping

Al Gilbertson, May 5, 2016

Find out more about what causes a diamond to chip, and 8 tips on how you can avoid chipping your diamond.

Abstracts; Summer 1991

Dona M. Dirlam

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

Abstract Header from the 2009 issue of Gems & Gemology

Abstracts; Winter 2009

Brendan M. Laurs, Thomas W. Overton

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

Interesting Red Tourmaline from Zambia

John I. Koivula and C. W. Fryer, March 1, 1985

A new source of red tourmaline is identified in Zambia.

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