This is an authentic JOHN HARDY Sterling Silver Apatite Tourmaline Diopside Classic Chain Station Necklace in Green. This stunning sterling silver necklace features the classic chain and gemstone stations composed of apatite, green tourmaline, and chrome diopside This is a lovely necklace with a special touch of classical style from John Hardy! Follow this item for alerts. John Hardy is a registered trademark of John Hardy. FASHIONPHILE is not affiliated with John Hardy.