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Turquoise
Azure sky, robin’s egg blue: Vivid shades of turquoise define the color that’s named after this gem.
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Research
An Evaluation of Turquoise from the Mona Lisa Mine in Arkansas
Examines samples of Mona Lisa turquoise to identify their chemistry and structure, revealing copper as a major elemental component of the material.
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.
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.
Turquoise Care and Cleaning Guide
Learn about Turquoise's durability and how to care for your Turquoise jewelry.
Turquoise Description
Turquoise might lack the sparkle and clarity of transparent colored gemstones like ruby, emerald, and sapphire, but its multi-layered history and soul-satisfying color make it a desirable gem. Its color can range from dull greens to grass greens to a bright, medium-toned, sky blue
Turquoise Quality Factors
Typically, turquoise is judged on three basic quality factors: color, texture and the presence or absence of matrix. Learn more about turquoise and what makes this gem so sought after!
Turquoise with Fingerprint Pattern
Turquoise-Rock Crystal Composite
Impregnated and Dyed Turquoise
Natural turquoise has been subjected to dyeing and three types of impregnation.
Turquoise Planet Earth
