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

Examines Jaipur’s role as a coloured stone cutting and jewellery manufacturing centre, with profiles of 17 companies and their factory, trading and retail operations.

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Emerald crystals from Colombia, Afghanistan, and Zambia
Photoluminescence Spectra of Emeralds from Colombia, Afghanistan and Zambia

Compares PL spectroscopy data of 48 emerald samples from three countries to evaluate the usefulness of the technique in geographic origin determination.

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Emeralds from the Kafubu Area, Zambia

Zambia is considered the world’s second most important source of emeralds by value (after Colombia).

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Characterisation of Emeralds from a Historical Deposit: Byrud (Eidsvoll), Norway

An emerald deposit in southern Norway yielded significant quantities of crystals and gem rough in the late 19th and early 20th centuries.

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Abstract Header from the 2009 issue of Gems & Gemology
Abstracts; Summer 2009

This article, from the Summer 2009 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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Emeralds from the Ural Mountains, USSR
Emeralds from the Ural Mountains, USSR

Emeralds are again being mined in the historic district of the Ural Mountains. Physical, chemical, spectroscopic and microscopic characteristics of stones from the recent production are presented and compared with data on older samples as well as those reported in the literature.

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Gemstone Durability: Design to Display

A treatise on the design, display, care and repair of fine gemstones.

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Emerald and gold treasures of the Spanish galleon Nuestra Señora de Atocha

During the 1970s and 1980s, treasure hunters discovered the centuries-old remains of the sunken Spanish galleons Nuestra Señora de Atocha and Santa Margarita.

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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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Opticon treatment
Fracture Filling of Emeralds Opticon and Traditional "Oils"

The filling of surface-reaching breaks in emeralds is a relatively common practice, for which various kinds of oils and a natural resin have historically been used.

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