Editorial
Emeralds and the Power of the Pink City
Duncan Pay, Editor-in-Chief


An overview of the Winter 2016 Gems & Gemology content.

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Articles (5)

History
History

Synthetic Emeralds Grown by Richard Nacken in the Mid-1920s

Karl Schmetzer, H. Albert Gilg, and Elisabeth Vaupel, Jan 27, 2017

Describes the chemical, morphological, and microscopic properties of the first gem-quality synthetic emeralds ever produced, offering a historical perspective on their development.

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Localities
Localities

A New Find of Danburite in the Luc Yen Mining Area, Vietnam

Le Thi-Thu Huong, Laura M. Otter, Tobias Häger, Tim Ullmann, Wolfgang Hofmeister, Ulrike Weis, and Klaus Peter Jochum, Jan 27, 2017

Reports on a recently discovered eluvial deposit of honey yellow danburite with excellent transparency.

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Inclusions
Inclusions

Inclusions in Natural, Synthetic, and Treated Emerald

Nathan D. Renfro, John I. Koivula, Jonathan Muyal, Shane F. McClure, Kevin Schumacher, and James E. Shigley, Jan 27, 2017

Provides a visual guide to the internal features of natural, synthetic, and treated emeralds.

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Localities
Localities

Update on Gemstone Mining in Northern Mozambique

Wim Vertriest and Vincent Pardieu, Jan 27, 2017

Recounts an expedition to Mozambique’s important deposits of ruby, spinel, and tourmaline, which have yet to be fully explored.

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Regular Features

Lab notes
Lab Notes

The latest advances and findings from GIA laboratories.

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Gem News
Gem News International

Global coverage of gem sources, notable new gem materials, and recent industry developments.

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Micro-World

An in-depth look at the hidden world of gem inclusions.

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Book Review
Reviews

Your guide to the latest
gem and jewelry books
and other media.

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2016
VOTE FOR THE MOST VALUABLE ARTICLE

Vote before Monday, March 6, 2017 for the Dr. Edward J. Gübelin Most Valuable Article Awards. Ballots will be entered in a drawing for a one-year print subscription to G&G.

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