Sterling Silver Cow Bone Dual Carved Face and Peridot Bead Ring SIZE 6.5Material: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 2 genuine cow bone and 2 genuine peridot Ring Face Dimension: 1. 5 x 0. 75 x 0. 4 inches Weight: 18. 2 grams Ring Size (US): 6. 5 Stamp Mark: 925 Serial Number: r28707 Spring green peridot is the gem variety of ovaline, a silicate mineral thought to be common in the upper mantle of Earth's crust. Peridot grade ovaline is most abundant in Pakistan and other dry areas. Used