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Having a fine light blue color, like that of choice mineral turquoise.

A hydrous phosphate of alumina containing a little copper; calaite. It has a blue, or bluish green, color, and usually occurs in reniform masses with a botryoidal surface. [Formerly written also turcois, and turkois.]

y. -- Bone shark (Zoöl.), the basking shark. -- Bone spavin. See under Spavin. -- Bone turquoise, fossil bone or tooth of a delicate blue color, sometimes used as an imitation of true turquoise. -- Bone whale (Zoöl.), a right whale. -- To be upon the bones of, to attack. [Obs.] -- To make no bones, to make no scru…

A mineral. See Turquoise.

The Mexican name for turquoise. See Turquoise.

A fossil tooth colored a bright blue by phosphate of iron. It is used as an imitation of turquoise, and hence called bone turquoise.

Turquoise.