Abstracts; Summer 2009
This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.
A Survey of the Gemstone Resources of China
China has identified many deposits with significant potential to produce gemstones; various species are discussed.
Nephrite Jade from Guangxi Province, China
Introduces the Chinese nephrite mine in Hechi and characterises the “band” and dendritic patterns found in this material.
Gemstone Carving in China: Winds of Change
Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.
Identification of Bleached and Polymer-Impregnated Jadeite
Article, Identification, Jadeite, “Bleaching”, Polymer Impregnation, Jade Treatments
Burmese Jade: The Inscrutable Gem
The jadeite mines of Upper Burma (now Myanmar) occupy a privileged place in the world of gems, as they are the principal source of top-grade material.
The Jade Enigma
An examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.
Jadeite of Guatemala: A Contemporary View
Many deposits of jadeite have been found in Guatemala during the last two decades.