Research Article Search Results

Analysis of synthetic ruby overgrowth on corundum, using analysis of inclusions, UV-Vis-NIR and EDXRF spectroscopy, and LA-ICP-MS.

Accompany GIA field gemologists on a true gemstone mining adventure in Sri Lanka, “The Island of Jewels.” You’ll observe traditional gemstone mining techniques that are still in use today. Sri Lanka is a mining, cutting, and trading powerhouse.

Green gemstones, which can uplift and heal our spirits, have been popular gem choices ever since we began to adorn ourselves with jewelry.

De Beers reduces rough prices at May sight, undisclosed treated diamonds submitted to GIA and Sotheby’s, Christie’s sales break auction records − again.

Explores the geology, production, and yield of the world’s most commercially important ruby deposit.

Insight into the markets for ruby, sapphire, emerald, and other colored gems.

Exceptional innovations using gem and mineral rough at Tucson’s GJX show.

An up-close look at the cultured pearl’s role in the gem and jewelry industry.

Color and size make a statement at this booth in Tucson.

Emerald from the Belmont and Montebello mines of Minas Gerais, Brazil seen at the GJX show in Tucson.

A review of Chinese freshwater cultured pearl production, with an update on the market for Tahitian, South Sea, and akoya cultured pearls.

A summary of the findings at Tucson’s 2015 gem shows.