turquoise

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Turquoise is an opaque sky-blue or greenish-blue mineral commonly used as a gemstone. It can also be yellowish-green, but it’s best known for its greenish-blue variety.It’s also sometimes spelled turquois, but this is much less common.Turquoise is categorized as a semiprecious stone, which is a classification used for stones considered to have a lower value than those deemed precious. Turquoise that is more blue than green is often more valuable.Turquoise is commonly used in jewelry, though some pieces sold as turquoise may be artificial or only turquoise-colored. Turquoise used in jewelry is often cut in the form of a cabochon, an oval shape that’s polished but not faceted. In the U.S., turquoise jewelry is especially associated with Native American artisans, particularly from tribes primarily based in the Southwest, such as the Hopi and Navajo.Turquoise is one of the birthstones for the month of December. It is associated with the zodiac signs Sagitarrius and Capricorn.The word turquoise is also commonly used as the name of a teal or sky-blue color (like the color of the stone).Example: The Caribbean Sea is known for its turquoise-blue waters.