Product Details
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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 [email protected]. [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: SiO2nH2O
- 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 .