◂ BACK TO GEM ENCYCLOPEDIA
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.

See Gem As
Tools
Research
Books: Imperial Jade of Burma and Mutton-Fat Jade of India
Review of S.K. Samuels’s Imperial Jade of Burma and Mutton-Fat Jade of India: Mining, Trade, and Use from Antiquity to the Present.
Dyed Green Marble Imitating Jadeite
What appeared to be high-quality jadeite was actually dyed green marble with calcite as the main mineral.
Nephrite Jade from Guangxi Province, China
Introduces the Chinese nephrite mine in Hechi and characterizes the “band” and dendritic patterns found in this material.
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.
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.
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.
The Jade Enigma
An examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.









