Natural Standard White Opal 10mm Round Cabochon Gemstone for Jewelry Making

Sale price£29.80


Ethically Sourced 10mm Round Cabochon Cut Natural Standard White Opal Gemstones

Introducing our natural standard white opal gemstones, known for their vibrant flashes of color, superior cabochon cut, and impeccable polish. These ethically sourced gemstones are calibrated by diameter, making them ideal for the jewelry trade.

  • Genuine white opal gemstone
  • 10mm round cabochon cut
  • Stunning white with bursts of rainbow colour
  • High-quality cabochon cut and polish

Please note that each gemstone may vary slightly in shade and height, as they are natural products. When ordering multiple gemstones, we will do our best to select the most closely matching gems in every aspect.

Our invoice details each gemstone purchased. For further certification or a detailed report on individual gemstones, consult a reputable and independent laboratory of your choice.

About Opal Gemstones

Opals are prized for their striking play of colour on white or black backgrounds. White opals exhibit a translucent, milky appearance, known as opalescence. Opals are the birthstone for October and the zodiac stone for Libra. With a hardness of 6, opals are one of the softer and more delicate gemstones.

Common Treatments & Testing

Opals can undergo treatments like staining and resin impregnation to enhance their appearance. Composite stones, such as doublets and triplets, can also be created from multiple pieces. To differentiate natural from synthetic opals, use observation, refractometers, UV light, and specific gravity tests.

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