This special Hamsa pendant is made of genuine green Opal . This is a smaller hamsa 10 mm (3/8 inch); which makes this necklace a very pretty delicate piece of jewelry. On the sides there is a hole where the chain is slides through. The chain is a fine 14Kt gold box chain. This hamsa is also available in other colors as well. The colors are: blue, pink, white, green, dark blue. You can specify requested color at the checkout. The Hamsa Hand (Arabic) or hamesh hand (Hebrew) is an old and still popular apotropaic amulet for magical protection from the evil eye. The words hamsa and hamesh mean "five" and refer to the digits on the hand. Referred also as hand of Fatima and hand of Miriam. For centuries the Hamsa has been used as a symbol of Good luck and shields its owner from the curse of the evil eye. The Hamsa's positive energy draws happiness, riches and health.