
Outlook on Opals from Mexico and Australia (英语)
Jürgen Schütz discussed the opal sourcing and cutting activities of the German firm Emil Weis.
Aquamarine from Pakistan
A gemological investigation of the aquamarine that has emerged from northern Pakistan in recent years.


Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design
The first annual Gianmaria Buccellati Foundation Award for Excellence in Jewelry Design was presented to GIA graduate Catherine Zheng.

Update from the Responsible Jewellery Council (英语)
The Responsible Jewellery Council (RJC) has announced plans to include colored stones and silver in the next revision cycle for its Code of Practices, which RJC members are certified against.

Update on Russian Demantoid Production
Alexey Burlakov shares insights on the current production of Russian demantoid and emeralds.

Ponderosa Sunstone Update
John Woodmark provides an update on the Ponderosa sunstone mine in Oregon.


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


Cultured Pearl Update
Fran Mastoloni shares his thoughts on the status of the cultured pearl market.

Opal from West Java, Indonesia
At the AGTA show, Rare Earth Mining Co. (Trumbull, Connecticut) displayed an unexpected material: Indonesian opal reportedly from West Java.

Rex Guo: The Science and Art of Recutting Fine Gemstones
Rex Guo describes how he sources and systematically recuts faceted stones to unlock their inner beauty.

Supply Chain Transparency and Beneficiation
Jean Claude Michelou shares his perspective on supply chain transparency and beneficiation in source countries.

Unheated and Unusual Colors
Margit Thorndal of Madagascar Imports offers her perspective on the colored stone market.

Update on the Green Dragon Demantoid Mine in Namibia
Stephan Reif explains the mine-to-market approach at the largest continuously operating demantoid deposit.
Colombian Emerald Industry: The New Generation
Luis Gabriel Angarita and Edwin Molina share their experiences and perspective on the Colombian emerald industry.

Quarterly Crystal: Cr-Diopside in Diamond
A bright green chromium diopside inclusion is seen in a diamond from South Africa's Kimberley mine.

Type IIa Diamond with Extraordinary Etch Channels
Rare dissolution etch channels are seen in a natural diamond.

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