Update on the Rock Creek Sapphire Deposit
An overview of recently expanded sapphire production at the Gem Mountain mine near Philipsburg, Montana.
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.
Autumn 2000 G&G Lab Notes
This section, from the Autumn 2000 issue of Gems & Gemology, is a compilation of interesting finds from GIA’s laboratories.