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Jade
“Jade” is a generic term for nephrite, jadeite, and under certain conditions green omphacite. In China, a pierced jade disk is a symbol of heaven.
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Lao Feng Xiang:China’s Time-Honored Jeweler
A GIA team visited one of China’s oldest jewelers, with a rich tradition of retail and manufacturing. The authors learned about the reputation Lao Feng Xiang has developed over the years, and how the company has transformed to cater to today’s market.
Unveiling a Chinese Luxury Jadeite Brand: A Visit to Zhaoyi Cuiwu in Beijing
Enter the world of high-end jadeite and discover the connection between this stone and the Chinese culture while visiting the Zhaoyi retail salon in Beijing.
Jadeite Manufacturing and Trading Hubs in Guangdong, China
Join a GIA team on a visit to the bustling jadeite trading centers of Guangdong Province, China. You'll observe a market understood by few Westerners, as industry leaders explain the intricate details of a gemstone that's also an integral part of the culture.
Jadeite Bangle with the Appearance of Polymer Treatment
A jadeite jade bangle is submitted for lab testing to investigate the possibility of treatment.
Rare Faceted Wurtzite
A stone submitted for identification is revealed to be the first wurtzite examined by the GIA lab.
Gemological Characteristics of Coated Jadeite Jade
Analyzes the effects of coating on green jadeite specimens using DiamondView imaging, microscopy, spectroscopy, and Raman spectrophotometry.
The Museum of London’s Extraordinary Cheapside Hoard
The history and mysteries behind a treasure of jewels hidden during the 1600s, a window to the past being fully opened to the public for the first time since a chance discovery a century ago.
Nephrite Jade from Val Malenco, Italy: Review and Update
Analysis of 21 rough and gem-quality samples offers an update on the composition and properties of this pale green gem from the Italian Alps.
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.
Identification of Bleached and Polymer-Impregnated Jadeite
The "bleaching" treatment of jadeite jade has become prevalent in higher- as well as lower-quality material.
Jadeite of Guatemala: A Contemporary View
Many deposits of jadeite have been found in Guatemala during the last two decades.
Fall 1986 G&G Lab Notes
This section, from the Fall 1986 issue of Gems & Gemology, is a compilation of interesting finds from GIA's laboratories.
