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The Coscuez Mine: A Major Source of Colombian Emeralds

The Coscuez mine, one of a number in Colombia, is rapidly gaining significance as a major source of fine emeralds.

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Russian Flux-Grown Synthetic Emeralds

The properties and techniques of flux-grown synthetic emeralds from Russia are discussed.

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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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