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Jaipur, India: The Global Gem and Jewelry Power of the Pink City

Examines Jaipur’s role as a colored stone cutting and jewelry manufacturing center, with profiles of 17 companies and their factory, trading, and retail operations.

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The Wittelsbach Blue

This article describes what is known about the Wittelsbach Blue since it was first reported in 1666, and the gemological information released to date on this diamond.

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Computer Rendering of the “French Blue” Diamond
The French Blue and the Hope: New Data from the Discovery of a Historical Lead Cast

With the use of modern tools and technology, this article sheds light on the history and provenance of both the French Blue and the Hope diamonds.

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Ruby and Sapphire Production and Distribution: A Quarter Century of Change
Ruby and Sapphire Production and Distribution: A Quarter Century of Change

During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges.

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High-purity gold items
Characterization of Tarnish Spots in Chinese High-Purity Gold Jewelry

Examines the origin and nature of tarnish spots in high-purity gold and how they can be avoided.

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Emeralds of Colombia

A comprehensive review of the history and geology of Colombian emeralds together with descriptions of some of the most famous gems to come from this locality.

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Replica of Qing dynasty hairpin
The Chinese Soul in Contemporary Jewelry Design

Guided by their cultural heritage and powered by a rapidly growing domestic consumer market, Chinese designers are exerting a powerful influence on the global stage.

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Creation of a Magnificent Suite of Peridot Jewelry
The Creation of a Magnificent Suite of Peridot Jewelry: From the Himalayas to Fifth Avenue

This peridot article chronicles the creation of a fine suite of peridot jewelry from the mine in the Himalayas to the manufacture of the necklace, bracelet, ring, and earrings.

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Jewelry of the 1990s

This article provides an overview of the many changes that took place in how jewelry was designed, manufactured, and marketed during the last decade.

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Pre-Columbian Gems and Ornamental Materials from Antigua, West Indies

Two archeological sites that were discovered recently on the island of Antigua appear to have had flourishing lapidary industries.

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