4.5mm Round Cabochon Cut Natural Standard White Opal Gemstone
Introducing our standard white natural opal gemstones, known for their mesmerizing flashes of colour, a refined 4.5mm round cabochon cut, and exceptional polish. We prioritize sourcing and supplying our diameter-calibrated gemstones from ethical providers within the jewellery trade.
- Genuine natural white opal
- 4.5mm round cabochon cut
- Beautiful white hue with radiant rainbow colours
- Superior cabochon cut and polish
Please note that the images showcased are intended to represent the gemstone's cut and general colour spectrum. As natural products, each stone's exact shade and height may differ. For multiple gemstone orders, we strive to select the most closely matched items in all aspects.
We include a detailed invoice with every gemstone purchase. Should you or your client require further certification or an in-depth report for an individual gemstone, please consult an independent laboratory of your preference.
About Opal Gemstones
Precious opals are cherished for their striking play of colours set against a pale (white opal) or dark (black opal) backdrop. Some white opals exhibit a translucent, milky appearance, which is referred to as opalescence and is distinct from the play of colours.
Various treatments, such as staining and resin impregnation, can be applied to opals to enhance their appearance. Additionally, composite stones like doublets and triplets can be crafted from multiple pieces.
Opal Testing Methods
Techniques such as observation, refractometers, UV light, and specific gravity testing can be used to differentiate natural opals from synthetic ones.
Opal Symbolism and Properties
As an October birthstone and Libra zodiac gemstone, opal has long been associated with symbolic meanings. Ancient Greeks believed opals endowed the wearer with foresight and prophecy, while Romans considered opals to be symbols of purity and hope. With a hardness of 6, opals are among the softer and more delicate gemstones available.
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