SKU:66312
AGTA
Opal 6mm Round Cabochon, AA-Grade
Opal 6mm Round Cabochon, AA-Grade
- Priced per Each
Precio habitual
€35,32
Precio habitual
Precio de oferta
€35,32
Precio unitario
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Pre-order now! Estimated shipping date: 2025-04-30 |
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This natural round opal cabochon is an appealing option for custom jewelry and one-of-a-kind pieces. To bring out the opal's signature flashing colors, it is recommended that you set the gemstone over a black or dark-colored layer, or that you heavily oxidize your metal. Opal is the birthstone for October.Opal is a relatively soft mineral that comprises silicon and water and is characterized by and valued for its display of flashing rainbow colors, referred to as the "play-of-color." There are many different varieties, with gemstone colors ranging from white or light gray to brown or red to black. While opal may be found in either sedimentary deposits or in volcanic deposits; the volcanic gemstones tend to be brittle and more fragile than the sedimentary gems.
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- Gemstone Type: Opal
- Stone Shape: Round
- Stone Size: 6mm
- Stone Type: Natural
- Color: Blue/Green
- Birthstone: October
- Enhancement: None (N)
- Grade: AA
- Mohs Hardness: 5.5–6.5
- Refractive Index: 1.37–1.52
- Specific Gravity: 1.98–2.25
- Brand: AGTA
- Weight: 0.000 kg

