“The A-Z of Pearls”, with at least one pearl-related subject for each letter of the alphabet, was presented in Thailand recently.
Read More
Examines the internal structure, chemical composition and spectroscopic features of 22 pen pearls.
Read MoreLearn more about pearl species, localities and growth, along with definitions for the 7 Pearl Value Factors™ and the terminology GIA uses to describe your pearl.
Read More
The New York lab received four baroque-shaped pearls with damaged nacre layers
Read More
A rare look at natural pearls from a known Spondylus species, commonly called “thorny” oysters.
Read More
This giant clam pearl was noteworthy for its size and interesting colouration, and its pronounced banding when viewed with transmitted light.
Read More
Fine-quality South Sea cultured pearls can be seen in the world’s fashion capitals, but they all start their journey to market at the auction. GIA offers a rare look inside one of the biggest.
Read MoreAn unusually large cultured pearl was filled with multiple cultured pearls, perhaps after the emergence of an original single-bead nucleus.
Read More
Spectroscopic and radiographic study of experimental saltwater cultured pearls produced from xenotransplantation between P. margaritifera and P. maxima.
Read More
This article, from the Winter 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
Read More
