Turquoise from Western Arkansas
A report on turquoise from the only known U.S. deposit outside of the Southwest.
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.