description Turquoise Overview
Turquoise is an opaque blue-to-green mineral and a hydrated phosphate of copper and aluminium. It has been used as an ornamental stone and jewelry material for thousands of years, and deposits in the southwestern United States have a long history of mining, trade, and use in Native American arts. The mineral's color can range from blue through green depending on its composition and formation conditions. It is intended for people interested in mineralogy, gemology, jewelry, and the cultural history of natural materials.
help Turquoise FAQ
What color is turquoise?
Turquoise ranges from blue to green because its color varies with its copper and aluminium content. It is an opaque mineral rather than a transparent gemstone.
What is turquoise made of?
Turquoise is a hydrated phosphate of copper and aluminium. Its chemical composition and porous structure distinguish it from blue glass and many dyed stones.
Where is turquoise mined in the United States?
The southwestern United States has a long history of turquoise mining, especially in areas such as Arizona and New Mexico. Indigenous communities have used regional turquoise in jewelry and ornament for centuries.
How should turquoise jewelry be cared for?
Turquoise can be porous and may be damaged by chemicals, prolonged water exposure, or harsh cleaners. Wipe it with a soft, slightly damp cloth and avoid perfumes, solvents, and ultrasonic cleaners.
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