11mm Round Cabochon Cut Natural Standard White Opal Gemstone | Jewellery Trade Resources

Sale price£45.80


Natural 11mm Round Cabochon Cut Standard White Opal Gemstone

Introducing our high-quality, standard white natural opal gemstones, featuring a stunning 11mm round cabochon cut and polished finish. Sourced only from ethical suppliers, our gemstones are calibrated by diameter specifically for the jewellery trade.

  • Premium natural white opal
  • 11mm round cabochon cut
  • Vibrant white with brilliant rainbow flashes
  • Superior cabochon cut and polish

Each gemstone's image is a representation of the cut and colour range. As natural products, individual gems may vary in shade and height. For multiple orders, we strive to select the most closely matching gemstones in every aspect.

With each gemstone purchase, we provide an invoice detailing the specifics. If you or your client need further certification or a detailed report for an individual gemstone, you may obtain one from a reputable and independent laboratory of your choice.

About Opal Gemstones

Precious opals exhibit a vivid play of colours against a pale (white opal) or dark (black opal) background. Some white opals display a translucent milky appearance, referred to as opalescence, which is distinct from the play of colours.

Treatments for Opals

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

Opal Testing Techniques

To differentiate between natural and synthetic opals, observation, refractometers, UV light, and specific gravity measurements can be helpful.

Opal Significance and Qualities

Opal, a birthstone for October and a zodiac gemstone for Libra, has been highly valued since ancient times. The Greeks believed opals granted foresight and prophecy, while the Romans saw them as symbols of purity and hope. With a hardness of 6, opals are softer and more fragile than many other gemstones.

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