A large tektite found in northern Vietnam is examined in GIA’s Bangkok laboratory.

Mineralogical examination of diamond-bearing material from South Africa reveals the specimens to be eclogite xenoliths.

Eye-visible inclusions are common in almost all quartz varieties except rose quartz.

Eye-visible inclusions are common in almost all quartz varieties except rose quartz.

From the Summer 2013 issue of G&G, a brief overview and commentary on the article featured in Lapis, Vol. 38, No. 5

From the Summer 2013 issue of G&G, a brief overview and commentary on the article featured in American Mineralogist, Vol. 97, No. 11-12

From the Summer 2013 issue of G&G, a brief overview and commentary on the article featured in Diamond and Related Materials, Vol. 33.

From the Summer 2013 issue of G&G, a brief overview and commentary on the article featured in Diamond and Related Materials, Vol. 23.

From the Summer 2013 issue of G&G, a brief overview and commentary on the article featured in The Canadian Mineralogist, Vol. 51, No. 1.

Colored stone dealer Dudley Blauwet describes attending the 2021 Tucson “show,” the heightened interest in yellow sapphire and gray spinel due to Pantone’s colors of the year, the rough supply situation, and Afghani blue spodumene.

Mr. Braunwart highlights newer trends such as younger female clients with strong digital platform experience, and increasing interest in North American stones as well as melee and smaller stones.

As an online jewelry shopping platform, GSN was well-positioned to ride out the pandemic and even improve their performance, resulting in one of their strongest years financially.

Thanks to an established online presence, Earth’s Treasury has had good sales throughout the pandemic, which raises the question of the future of international gem shows.

Philadelphia appraiser Josh Hyman credits consumer confidence in purchasing gems online and increased discretionary spending due to lack of travel with the quick comeback following pandemic shutdowns.

National and provincial regulations varied greatly in East Africa during the pandemic, affecting the supply of rough gems throughout the entire industry.

A set of loose stones submitted as diamond prove to be phenakite when put through a series of diagnostic tests.

The properties and techniques of flux-grown synthetic emeralds from Russia are discussed.

“Birthday Book of Gems”; “The New World of Gold”; “Diamond, Ruby, Emerald, and Sapphire Facets”; “Art Nouveau Jewelry”; “Reviews in Mineralogy Volume 12: Fluid Inclusions”

A compilation of gem news from around the world, covering topics such as localities, unusual gem materials, market news, new products, discoveries, jewelry manufacturing techniques, and industry trends.