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.79 ct. Australian Black Opal

Designer: RockShop

$900.00
Quantity
- +
  • This gorgeous Australian black opal changes colors right before your eyes. A loose stone can be great for collectors, or to make a beautiful piece of jewelry!

    1. 0.79ct Black opal
    2. Mined in Lightning Ridge, Australia
    3. 5.3mm x 7.2mm x 3.4mm


  • BIRTHSTONES & ANNIVERSARIES

    Opal is an October birthstone and the 14 year wedding anniversary stone.

      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