turquoise is known as the "master Healer," and is said to be the bridge between Heaven, Sky and the Earth. If given a turquoise by a loving friend, that stone would protect the wearer from negative energy and bring good fortune. The turquoise is the symbol of friendship. It also brings peace to the home.>>>>sterling silver 925 >>>>adjustable us ring size 5~7 >>>>It comes in a gift box ready for gifting. >>>> due to the nature of stones, each one may vary slightly in color, shape, size. stone has irregular cracks or marks on the surface. these are not imperfections but nearly beauty marks. every piece is beautiful and one of a kind.