turquoise

A blue to blue-green mineral of aluminum and copper, mainly CuAl₆(PO₄)₄(OH)₈·4H₂O, prized as a gemstone in its polished blue form.

A light to brilliant bluish green.

An opaque blue or greenish-blue precious stone, consisting essentially of a phosphate of aluminium containing a little copper and iron.

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.

A sky-blue, greenish-blue, or greenish-gray semi-precious gemstone.

A pale greenish–blue colour, like that of the gemstone.

Made of turquoise (the gemstone).

Having a pale greenish-blue colour.

a shade of blue tinged with green