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Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics

Russell Shor, June 12, 2015

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

Lead-Glass-Filled Burmese Rubies

Najmeh Anjomani and Rebecca Tsang, January 30, 2015

Beads from a multi-strand necklace were the first examples of lower-lead-content glass filling in Burmese rubies examined at GIA’s Carlsbad laboratory.

Flame-Fusion Synthetic Ruby Boule with Flux Synthetic Ruby Overgrowth

Ziyin Sun and Heidi Breitzmann, October 31, 2014

This synthetic ruby specimen features two growth methods within the same crystal.

Confusing, Triangular Inclusions in an Art Deco-Style Pin

Spring 1991 G&G Lab Notes

March 1, 1991

This section, from the Spring 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.

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