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Turquoise
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Turquoise History and Lore

Turquoise is one of the world’s most ancient gems. Archaeological excavations revealed that the rulers of ancient Egypt adorned themselves with turquoise jewellery, and Chinese artisans were carving it more than 3,000 years ago.

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A large red-orange crystal of wulfenite is nestled in the arms of matrix.
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Arizona Road Trips: Wild West Gem and Mineral Localities

Arizona’s scenic desert and mountain landscape is the perfect backdrop for a modern Wild West road trip in search of gem and mineral treasures.

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A Survey of the Gemstone Resources of China

China has identified many deposits with significant potential to produce gemstones; various species are discussed.

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Abstracts; Winter 1991

This article, from the Winter 1991 issue of Gems & Gemmology, is a compilation of abstracts of important gemmology-related articles published outside of Gems & Gemmology.

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A Gemological Study of Turquoise in China

Chinese gem-quality turquoise is sky blue, greenish blue or bluish green in colour.

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The Identification of Zachery-Treated Turquoise | Gems & Gemmology

Millions of carats of turquoise have been enhanced by a proprietary process called the Zachery treatment.

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