This iridescent Ocean Blue Opalite Hamsa .925 Silver Necklace defracts light wonderfully. Held up to light it looks absolutely stunning. This beautiful Ocean Blue opalite hamsa pendant shares the characteristics of real opal — without the cost of real opal. 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″ Ocean Blue hamsa pendant comes on a .925 Silver 18″ long necklace with a lobster claw clasp.