7mm Round Cabochon Cut Natural Standard White Opal Gemstone | Jewellery Trade Resources

Sale price£10.49


7mm Round Cabochon Cut Natural Standard White Opal Gemstone

Choose our standard white natural opal gemstones, celebrated for their alluring colour flashes, exceptional 7mm round cabochon cut, and polished finish. Our gemstones are ethically sourced and accurately calibrated by diameter, making them the ideal choice for jewellery artisans.

  • Authentic natural white opal
  • 7mm round cabochon cut
  • Brilliant white featuring mesmerizing rainbow hues
  • Superior cabochon cut and polish

Please be aware that the images provided represent the gemstone's cut and colour spectrum. Since each gemstone is a natural product, its precise shade and height may differ. When ordering more than one gemstone, we strive to select items that closely match each other in all aspects.

Each gemstone purchase comes with a detailed invoice. If you or your client requires further certification or an extensive report for a specific gemstone, please reach out to an independent laboratory of your preference.

About Opal Gemstones

Precious opals are known for their vibrant play of colours against a pale (white opal) or dark (black opal) backdrop. White opals may exhibit a translucent, milky quality, which is referred to as opalescence, separate from their play of colours.

Opal Treatments

Opals can undergo a range of treatments, such as staining and resin impregnation, to enhance their overall appearance. Additionally, composite stones like doublets and triplets can be created from multiple pieces.

Techniques for Opal Testing

Differentiating natural opals from synthetic ones can be achieved through various methods, including observation, refractometers, UV light, and specific gravity testing.

Opal Symbolism and Properties

Opal is an October birthstone and a zodiac gemstone for Libra, carrying historical and symbolic significance. Ancient Greeks believed opals granted powers of foresight and prophecy, while Romans considered 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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