Opal Khamsa and Magen David Necklace. Pendant measurements 0.9" X 0.6". Sterling Silver Pendant and Necklace w Opalit. The Star of David or Shield of David or Magen David is a generally recognized symbol of Jewish identity and Judaism and Zionism. It is named after King David of ancient Israel. The hamsa, also romanized as khamsa or chamsa, is a hand-shaped amulet popular in Judaism. The hamsa is often incorporated in jewelry, as a defense against the evil eye. The Hamsa is also mentioned in the Kabbalah and withing the Cabala Book, Sefer Hayetzira. An original necklace of Naomi Jewelry Collection. Comes in a gift box.