3.25mm Round Cabochon Cut Natural Standard White Opal Gemstone
Discover our collection of standard white natural opal gemstones, showcasing a refined 3.25mm round cabochon cut and polished finish. We source and provide our gemstones, which are calibrated by diameter, exclusively from ethical suppliers for the jewellery trade.
- Genuine natural white opal
- 3.25mm round cabochon cut
- Luxurious white with iridescent rainbow colour flashes
- High-quality cabochon cut and polish
Please be aware that the images provided serve as a representation of the cut and general colour range. Due to the natural nature of gemstones, the exact shade and height may differ. When ordering multiple gemstones, we strive to select the most closely matched items in every aspect.
Each gemstone purchase is accompanied by a detailed invoice. If you or your client require further certification or a more in-depth report for an individual gemstone, you can acquire one from an independent laboratory of your choice.
About Opal Gemstones
Precious opals are renowned for their vibrant 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.
Opals can undergo various treatments, such as staining and resin impregnation, to enhance their appearance. Composite stones, like doublets and triplets, can also be crafted 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 Characteristics
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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