3mm Round Cabochon Cut Natural Standard White Opal Gemstone | Jewellery Trade Resources

Sale price£2.50


3mm Round Cabochon Cut Natural Standard White Opal Gemstone

Browse our collection of standard white natural opal gemstones, showcasing a 3mm round cabochon cut and a lustrous finish. We commit to sourcing our gemstones, calibrated by diameter, exclusively from ethical suppliers in the jewellery trade.

  • Genuine natural white opal
  • 3mm round cabochon cut
  • Beautiful white with iridescent rainbow hues
  • Superior cabochon cut and polish

Please note that the images provided serve as a guide for the cut and general colour palette. As gemstones are natural products, their precise shade and height may vary. When ordering multiple gemstones, we strive to select the most closely matched items in all aspects.

Each gemstone purchase comes with a detailed invoice. Should you or your client require additional certification or an in-depth report for an individual gemstone, you can obtain one from an independent laboratory of your choice.

About Opal Gemstones

Precious opals are known for their captivating play of colours on either a pale (white opal) or dark (black opal) background. Some white opals exhibit a translucent milky appearance, which is referred to as opalescence and is distinct from the play of colours.

Opal Treatments

Opals can undergo a variety of treatments, such as staining and resin impregnation, to enhance their appearance. Composite stones, like doublets and triplets, can also be created from multiple pieces.

Opal Testing Techniques

Methods such as observation, refractometers, UV light, and specific gravity testing can be employed to differentiate natural opals from synthetic ones.

Opal Symbolism and Properties

Opal, an October birthstone and a Libra zodiac gemstone, has a rich history of symbolism. Ancient Greeks believed opals granted foresight and prophecy, while Romans associated them with purity and hope. With a hardness of 6, opals are among the softer and more delicate gemstones available.

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