1 ct. Australian Boulder Opal
Regular price$200.00
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This gorgeous Australian boulder opal changes colors right before your eyes. A beautiful array of colors can be seen at many different angles. A loose stone can be great for collectors, or to make a beautiful piece of jewelry!
- 1.0ct Boulder Opal
- Mined in Queensland, Australia
- 10.8mm x 6.3mm x 2.8mm
- 1.0ct Boulder Opal
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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