Dormith&reg; Woman's Fashion 925 Sterling Silver Synthetic Fire Opal Cross Pendant Necklace 18'' Dormith 925 Sterling Silver blue Fire Opal cross Pendant Necklace Material:925 sterling silver;synthetic fire opal.The Excellent Materials and Crafts show a top quality of this item. Pendant size:Length:28mm,Width:16mm,Thickness:3mm;Silver chain length is 16-18 inches,Total weight:3.93g Tarnish-free and anti-allergic, lead-free. Guaranted authentic, money-back satisfaction guaranted by Dormith. Designed by Dormith.makes you life more beautiful.