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Recent Advances in Understanding the Geology of Diamonds

Examines the last two decades’ advances in analyzing and understanding the formation of natural diamonds, and their relation to the earth’s formation.

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Rough blue spinel crystals from Luc Yen
Blue Spinel from the Luc Yen District of Vietnam

Offers geological context and gemological characterization of this increasingly popular vivid blue spinel from northeast Vietnam.

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The Hidden Beauty of Amber: New Light on an Old Subject

The surprising inner world of inorganic inclusions in amber is explored through the use of polarized light and microscopic techniques.

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2010 Gemological Abstracts Header
Abstracts; Summer 2010

This article, from the Summer 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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2010 Gemological Abstracts Header
Abstracts; Spring 2010

This article, from the Spring 2010 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.

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Faceted CVD Synthetic Diamonds
CVD Synthetic Diamonds from Gemesis Corp

An examination of the gemological and spectroscopic properties of CVD synthetic diamonds from Gemesis Corp.

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Petrochemical Characteristics and Genesic Significance of Luodian Jade from Guizhou

Luodian jade is a newly discovered nephrite variety in 2009 at the Luodian county of Guizhou province, China.

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Rare Double-trapiche Emerald

At the AGTA show, Equatorian Imports showed this contributor two pieces of emerald with a very rare double-trapiche pattern

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Winter 2005 G&G Book Reviews

“Crystals: Growth, Morphology and Perfection”; “The Gem Merchant: How to Be One, How to Deal with One, 2nd Edition”; “Arts and Crafts to Art Deco: The Jewellery and Silver of H. G. Murphy”; “Daniel Swarovski: A World of Beauty”

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Characterization of the New Malossi Hydrothermal Synthetic Emerald

A new production of hydrothermal synthetic emeralds.

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