3-Inch Blackened Sterling Silver and Green Jade Cuff BraceletMaterial: Genuine Sterling Silver (925 silver, 92. 5% silver content) Stone(s): 28 pieces genuine green jade, 13 x 9 mm Width (widest section): 3 inches Inner circumference: 7. 5 inches Opening: 0. 75 inches; opening is adjustable Weight: 167. 6 grams Stamp Mark: N A Serial Number: b20905 The name "jade" is commonly used for two different silicate minerals, jadeite and nephrite. Prized for its color and hardness, jade has been used since ancient times