Opal 3mm Round Cabochon Cut Natural Standard White Gemstone

Sale price£2.50


Opal 3mm Round Cabochon Cut Natural Standard White Gemstone

Our standard white natural opal gemstones have good flashes of colour. And a good cabochon cut and polish.  Only sourced from ethical suppliers. We source and supply our gemstones calibrated by diameter specifically for the jewellery trade. 

  • Natural white opal
  • 3mm Round Cabochon Cut
  • Rich white with flashes of rainbow colour
  • Good cabochon cut and polish

The pictures provided are a representation of cut and swatch of colour. Being natural products each gem can vary in exact shade and height. However if you order more than one we will endeavour to select the closest matching gems in every respect.

We supply an invoice detailing each gemstone purchased. If you or your client require further certification or a more detailed report for an Individual gemstone you will need to have one issued by your choice of reputable and independent laboratory.

Opal Gemstones 

Precious opals show a vivid play of colour on a pale (white opal) or dark (black opal) background. Some white opals display a translucent milky appearance, and it is this, not the play of colours which is termed opalescence.

Common Treatments

Opal can be subjected to various types of treatment, Staining and resin impregnation can improve appearance.  As well as the availability of composite stones such as doublets and triplets being created from multiple pieces .

Opal Testing

Observation, refractometers, UV light and specific gravity can help to differentiate natural from synthetic opals.

Opal Qualities

Opal is one of the birthstones for October. And a zodiac gemstone for Libra. The ancient Greeks believed opal gave the powers of foresight and prophecy. The Romans viewed opal a s a symbol of purity and hope. With a hardness of 6 opal is one of the softer and therefore more fragile gemstones.

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