METAL: 925k Silver GEM: Green Apatite Diameter Stone Size: 8-10 mm approx COATING: 24k gold over (We can made a special type of coating for your personal preference ) MATERIEL : 925K Sterling Silver ( Some of my items vermeil gold over silver for looks rich . But i can finish in silver too ) Green Apatite Bracelet Silver 925K Sterling Jewelry 24K Gold Over Authentic Handmade Silver Bracelet For Women