This shimmering Ocean-Blue Opalite Silver Crystal Hamsa Necklace shares the characteristics of real opal — without the cost of real opal and is surround with a swarovski crystal trim. The Hamsa symbol is the ancient symbol of Divine protection against negative energies and remains to this day a symbol of luck and protection, making it a popular decorative motif throughout Jewish art and jewelry. The 1/2″ blue opalite hamsa pendant comes on a .925 Silver 18″ long necklace with a lobster claw clasp. Also comes with an 18k Gold-Plated trim.