Gemological Characteristics of Saltwater Cultured Pearls Produced After Xenotransplantation
Spectroscopic and radiographic study of experimental saltwater cultured pearls produced from xenotransplantation between P. margaritifera and P. maxima.
Japanese Jadeite: History, Characteristics, and Comparison with Other Sources
Examines the sources, color, texture, and chemical composition of jadeite from Japanese deposits.
Alluvial Sapphires from Montana: Inclusions, Geochemistry, and Indications of a Metasomatic Origin
Microscopic and chemical analysis may provide clues to the original source of Montana’s alluvial sapphires and help distinguish them from sapphires with overlapping properties.
Photoluminescence Mapping of Optical Defects in HPHT Synthetic Diamond
Demonstrates the importance of this method in identifying diamond treatments, based on the analysis of PL maps acquired from a brownish orange HPHT synthetic diamond.
Digital Photomicrography for Gemologists
A guide to capturing gem inclusion scenes using practical equipment and techniques and the appropriate image-refining software.
Letšeng’s Unique Diamond Proposition
Explores the history, geology, and current production of this unique source of large diamonds.
Geology and Development of the Lomonosov Deposit, Northwestern Russia
Reviews diamond discoveries at the Lomonosov deposit, as well as the geology of the Arkhangelsk kimberlite province.
Recent Advances in Understanding the Geology of Diamonds
Examines the last two decades’ advances in analyzing and understanding the formation of natural diamonds, and their relation to the earth’s formation.
Exploring the Chinese Gem and Jewelry Industry
Examines China’s eminent role in the gem and jewelry industry, as a manufacturer and a consumer market, and its impact on the global trade.
Visit to Chow Tai Fook
Diamond Cutting Factory in Foshan, China
Behind the scenes at what's widely considered to be China’s largest jewelry retailer.