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 jewelry, and Chinese artisans were carving it more than 3,000 years ago.
The Identification of Zachery-Treated Turquoise | Gems & Gemology
Millions of carats of turquoise have been enhanced by a proprietary process called the Zachery treatment.
A Gemological Study of Turquoise in China
Chinese gem-quality turquoise is sky blue, greenish blue, or bluish green in color.
A Survey of the Gemstone Resources of China
China has identified many deposits with significant potential to produce gemstones; various species are discussed.
Abstracts; Winter 1991
This article, from the Winter 1991 issue of Gems & Gemology, is a compilation of abstracts of important gemology-related articles published outside of Gems & Gemology.