8mm Round Cabochon Cut Natural Standard White Opal Gemstone
Experience the allure of our standard white natural opal gemstones, showcasing vivid flashes of colour and an expertly crafted 8mm round cabochon cut and polish. We ethically source and calibrate our gemstones by diameter, making them a prime choice for jewellery professionals.
- Genuine natural white opal
- 8mm round cabochon cut
- Lustrous white featuring captivating rainbow colours
- Exceptional cabochon cut and polish
Note that the images provided serve as an example of the gemstone's cut and colour range. As each gemstone is a natural product, its specific shade and height may vary. When ordering multiple gemstones, we make every effort to select items that closely match each other in all aspects.
Each gemstone purchase includes a comprehensive invoice. If you or your client requires additional certification or a detailed report for a particular gemstone, please contact an independent laboratory of your choosing.
About Opal Gemstones
Precious opals are renowned for their striking play of colours against a pale (white opal) or dark (black opal) background. White opals can exhibit a translucent, milky appearance, referred to as opalescence, separate from their play of colours.
Opals can undergo various treatments, such as staining and resin impregnation, to enhance their visual appeal. Composite stones like doublets and triplets can also be created from multiple pieces.
Methods for Opal Testing
Utilizing techniques like observation, refractometers, UV light, and specific gravity testing can help differentiate natural opals from synthetic ones.
Opal Symbolism and Characteristics
Opal is an October birthstone and a zodiac gemstone for Libra, carrying rich historical and symbolic associations. The ancient Greeks believed opals granted the powers of foresight and prophecy, while the Romans saw opals as symbols of purity and hope. With a hardness of 6, opals are among the softer and more delicate gemstones available.
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