Spring 2015 G&G Examines Blue Spinel, Chinese Jewellery Design and the Latest in Synthetics
G&G Brief presents an overview of the content of the Spring 2015 issue of Gems & Gemology.
Flame-Fusion Synthetic Ruby Boule with Flux Synthetic Ruby Overgrowth
This synthetic ruby specimen features two growth methods within the same crystal.
Spring 1991 G&G Lab Notes
This section, from the Spring 1991 issue of Gems & Gemmology, is a compilation of interesting finds from GIA’s laboratories.
Lead-Glass-Filled Burmese Rubies
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.