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.
Read MoreSharon Bohannon, November 18, 2019
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.
Read MorePeter C. Keller and Wang Fuquan, March 1, 1986
China has identified many deposits with significant potential to produce gemstones; various species are discussed.
Read MoreDona M. Dirlam
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.
Read MoreWang Fuquan, March 1, 1986
Chinese gem-quality turquoise is sky blue, greenish blue or bluish green in colour.
Read MoreEmmanuel Fritsch, Shane F. McClure, March 1, 1999
Millions of carats of turquoise have been enhanced by a proprietary process called the Zachery treatment.
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