Opal & Diamond Necklace

    Custom Order

    This piece can be recreated for you. Stones will vary slightly as each stone is one of a kind. For inquiries, email us at rockshopstpete@gmail.com. [Prices may vary depending on quality and size of stones.]

      • BIRTHSTONES & ANNIVERSARIES

        Opal is an October birthstone and 14 year wedding anniversary

          MINERAL: Hydrated Silica
          CHEMISTRY: SiO2•nH2O
          COLOR: All colors
          REFRACTIVE INDEX: 1.37-1.47
          BIREFRINGENCE: None
          SPECIFIC GRAVITY: 2.15 (+0.08, -0.90)
          MOHS HARDNESS: 5 to 6.5
      • If you need additional information regarding any of our gems or stones please contact us at shop@rockshopjewelry.com.