Black Opal Triangle Earrings

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 the 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.