9 letters · 18 points in Scrabble
noun a blue to grey green mineral consisting of copper aluminum phosphate
noun a shade of blue tinged with green
originFrom Middle French turquoise, from Old French (pierre) turquoise (“Turkish (stone)”), from turc + -ois. The stone, mined near Nishapur in the Khorasan region of Persia, was originally brought to Europe through Turkey. Doublet of Turkish.
Etymology from Wiktionary, CC BY-SA 3.0