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turquoise
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Not who you're looking for? Others named turquoise: 1908 Émeraude-class submarine · greenish blue color, based on the gem of the same name · 2009 film by Kadir Balci · British Thoroughbred racehorse
Turquoise is an opaque, blue-to-green mineral that is a hydrous phosphate of copper and aluminium, with the chemical formula . It is rare and valuable in finer grades and has been prized as a gemstone for millennia due to its unique hue.
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