Treat yourself to a blue opal hamsa hand necklace. Silver Hamsa Necklace. Pair this cornflower blue hamsa with work or weekend wear. Hamsas usher in the goodness around you and push back the bad. 7/16" x 3/8" . Sterling silver adjustable chain 16" + 2". Style it up with a pair of jeans, a tank top, a sweater, or a white flowy dress. You'll notice that the piece goes perfectly with any outfit and inspires you to be your personal best. Not only does it have the protective qualities associated with that of the Middle Eastern Hamsa pendant, but opal is the stone of hope, love, and great achievement.