Overview Specs Documentation These hoops are crafted from 925 sterling silver and plated with your choice of yellow gold, rose gold, or rhodium. They showcase luminous moonstone gemstones, adding an elegant and timeless appeal. 925 Sterling Silver Plated in Yellow Gold, Rose Gold, or Rhodium Gemstone: Moonstone BIRTHSTONES & ANNIVERSARIES Moonstone is a birthstone for June, along with pearl and alexandrite. Moonstone is also the gemstone for the 3 year wedding anniversary. MINERAL: Feldspar group CHEMISTRY: KAlSi3O8 COLOR: Colorless to White, Gray, Green, Peach, Brown REFRACTIVE INDEX: 1.518 to 1.526 BIREFRINGENCE: 0.05 to 0.008 SPECIFIC GRAVITY: 2.58 MOHS HARDNESS: 6.0 to 6.5 If you need additional information regarding any of our gems or stones please contact us at: [email protected]