Turquoise
Turquoise . Name this mineral is derived from the Persian word piroza -"win"or firuza-"stone of happiness,"the same way, there are other names of turquoise and its variants: a stone of war, the Aztec stone of heaven stone kalchihyuitl, Egyptian turquoise. Coloration of turquoise is sky-blue or blue, with yellowish-green and greenish shades. ...