This unique turquoise cabochon art nouveau statement ring channels organic and opulent shapes turquoise has been thought to relieve ailments and protect the wearer once used as a substitute for the shine of a diamond the natural semi precious gemstone marcasite is now celebrated for its lustre and metallic beauty together in this fine fashion silver gothic ring design onyx and marcasite make a stunning couple and an on trend addition to your jewellery collectionturquoise informationnumber