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

ETYM French turquoise; cf. Pr. and Spanish turquesa, Italian turchese, turchina, Late Lat. turchesius, turchina; -- so called because first brought from Turkey. Related to Turkey.
A blue to gray green mineral consisting of copper aluminum phosphate; blue turquoise is valued as a gemstone.
Blue-green.
Mineral, hydrous basic copper aluminum phosphate. Blue-green, blue, or green, it is a gemstone. Turquoise is found in Australia, Egypt, Ethiopia, France, Germany, Iran, Turkestan, Mexico, and southwestern us. It was originally introduced into Europe through Turkey, from which its name is derived.