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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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Characterisation of the New Malossi Hydrothermal Synthetic Emerald

A new production of hydrothermal synthetic emeralds.

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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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Classifying Emerald Clarity Enhancement at the GIA Gem Trade Laboratory

One of the greatest concerns with emerald filling is the degree of clarity enhancement such treatment represents

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On the Identification of Various Emerald Filling Substances

Criteria for distinguishing emerald filling substances were investigated.

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Characterisation of Chinese Hydrothermal Synthetic Emerald

Synthetic emeralds grown hydrothermally in an alkali-free, chlorine-bearing solution have been manufactured in Guilin, China, since 1987.

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Update on Emeralds from the Sandawana Mines, Zimbabwe

Zimbabwe’s Sandawana mines have been an important producer of emeralds for 40 years.

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Growth Method and Growth-Related Properties of a New Type of Russian Hydrothermal Synthetic Emerald

A new type of Russian hydrothermal synthetic emerald is produced.

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Gemmological Investigation of a New Type of Russian Hydrothermal Synthetic Emerald

Tairus, in Novosibirsk, has produced yet another new type of Russian hydrothermal synthetic emerald.

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Ural Emerald Mines
An Update on the Ural Emerald Mines

The emeralds of the Ural Mountains, in what is now called the Russian Federation, have been known for more than 160 years.

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