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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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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.
Gemstone Carving in China: Winds of Change
Chinese master carvers have produced some of the world's most sophisticated gemstone carvings.
A Survey of the Gemstone Resources of China
China has identified many deposits with significant potential to produce gemstones; various species are discussed.
Jade Forms from Ancient China
The Jade Enigma
An examination of the various simulants of of nephrite and jadeite, and how to separate them from jade.
Jade Description
Modern gemologists use the word “jade” as a generic term for both nephrite and jadeite. These minerals have been linked throughout history.
Jade History and Lore
Jade has been cherished through the centuries. To the Chinese it is the
Exhibition Review: Colors of the Universe: Chinese Hardstone Carvings
Review of Colors of the Universe: Chinese Hardstone Carvings at New York’s Metropolitan Museum of Art.
Filled Calcite with Pronounced Phosphorescence
A sphere with a greasy luster exhibiting strong phosphorescence is investigated.
Some Observations on the Treatment of Lavender Jadeite
This article discusses the results of an experiment conducted on heat-treated lavender jadeite.
