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Jade

Jade is actually two separate gems: nephrite and jadeite. In China, a pierced jade disk is a symbol of heaven.

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History

Jade is desired for its rich heritage as much as by its beauty, durability, and rarity.

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Artistry

This 127.10-gram carving is originally from Tienjun, China

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Use of color

This carving makes use of jade’s intense green and white mottled areas.

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Hidden Beauty

Jadeite’s beauty hides under a crusty brown or yellow oxidized “skin.”

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Uncovering the Beauty

The boulder is sawn to view its inner color.

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Taking Shape

This 1041-gram jadeite boulder is sawn and marked for further cutting.

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Tools

Research

A diamond necklace that features a 100.02 Fancy Intense yellow diamond. The pendant is done in the shape of a musical instrument.
Article
Bullish Predictions for 2019 Holiday Sales Despite Concerns, Sotheby’s Hong Kong Auction Sales

U.S. holiday sales predictions are better than expected. Sotheby’s Hong Kong auction features a 100 ct yellow diamond necklace by GIA alumna Anna Hu.

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Wine vessel carved from Guangxi black nephrite
Black Nephrite Jade from Guangxi, Southern China

Characterizes black nephrite from a deposit in the Guangxi region that appears to be part of a large-scale jade formation belt in southern China.

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A ruby and diamond choker. The center section is made of six strands of red pearls, framed by rubies and diamonds.
Article
Mughal Jewels Auction: Al-Thani Collection Raises $109 Million

Collectors from around the world descended on Christies’ Maharajas & Mughal Magnificence auction of the jewels from the Al-Thani Collection on June 19.

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Buyers were checking the quality of a jadeite boulder
Article
Witnessing the 56th Myanma Gems Emporium

A firsthand look at this annual ten-day auction, where local and foreign buyers bid on jadeite, pearl, and other gem lots.

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Guizhou Jade ornament
Guizhou Jade from Qinglong, China

The authors collect Guizhou Jade at the mine and explore the antimony deposit in Qinglong, China.

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The wax-impregnated bangle (left) showed bluish fluorescence under long-wave UV.
Strong Fluorescence in B-Jade Impregnated with Wax

A bangle is an example of the misconception that B jade is only impregnated by resin, when in fact wax-impregnated jadeite is also considered B-jade.

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Jade table screen.
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.

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Calcite showing phosphorescence.
Filled Calcite with Pronounced Phosphorescence

A sphere with a greasy luster exhibiting strong phosphorescence is investigated.

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Gem: The Definitive Visual Guide book cover
Book Review: Gem: The Definitive Visual Guide

A review of Gem: The Definitive Visual Guide.

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Jadeite boulder from Itoigawa, Japan
Japanese Jadeite Tables

Examines the sources, color, texture, and chemical composition of jadeite from Japanese deposits.

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