Turquoise is a semi-precious stones. Color of turquoise jewelry ranges from sky blue through various shades of yellowish green to greenish gray. Blue, this stone is a green copper, iron. Turquoise is a happy color, which is a combination of pale blue sky and to promote the green sea and is said to provide you with happiness and increased confidence. Name of the stone means "Turkish stone" because it came in Europe from Turkey. more >>>