Item #: 1516940 This is an authentic DAVID YURMAN Sterling Silver Black Onyx Malachite Chalcedony Hematine Bijoux Necklace. The necklace is crafted of sterling silver and features wire wrapped black onyx, malachite, green chalcedony and hematine stones alternating throughout the chain. Follow this item for alerts. David Yurman is a registered trademark of David Yurman. FASHIONPHILE is not affiliated with David Yurman.