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Three light-to-medium blue carved sculptures sit in a line – from larger to smaller.

Article

Making the Cut: The Art and Science of Fantasy Carving

Sharon Bohannon, January 10, 2020

Gem cutters - whether “gem whisperers” or mathematicians - create breathtakingly artistic individual gems and sculptures.

Multi-colored gems are superimposed on an image of glacier peaks.

Article

Gems and Minerals from the Sub-Arctic

Sharon Bohannon, March 17, 2017

Circumnavigate the boreal reaches of the globe to explore gems from polar regions.

Amethyst from Boudi, Morocco

Fabrizio Troilo, Abdelghani El Harfi, Salahaddine Mouaddib, Erica Bittarello, and Emanuele Costa, April 30, 2015

An introduction to Moroccan amethyst, which features distinctive color zoning and inclusions.

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.

Article

Insights From Inclusions

GIA, September 29, 2014

Natural gemstones are typically far more valuable than synthetic ones, so being able to identify them correctly is a powerful skill.

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.

A Simple Procedure to Separate Natural from Synthetic Amethyst on the Basis of Twinning

Robert Crowningshield, Cornelius Hurlbut, September 1, 1986

Where there are no inclusions or colour zoning, the presence of Brazil twinning in the natural amethyst will usually make the distinction.

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