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Opal Gemstone


There’s something truly magical about opals… The cosmic play-of-colour is unlike any other gemstone on Earth. I find them completely mesmerising - it feels like I'm holding a tiny galaxy in the palm of my hand.


Moira Patience Fine Jewellery Opal

Quick Facts

Mineral: Hydrated Silica
Hardness: 5 - 6.5
Colour: All the colours of the rainbow
Birthstone: October
Anniversaries: 8th


Moira Patience Fine Jewellery Opal


Where do Opals come from?

Australia is the primary source of opals, with the famous Lightning Ridge and Coober Pedy mines producing some of the most valuable and sought-after opals in the world. Other sources include Mexico, Brazil, and Ethiopia.

Moira Patience Fine Jewellery Opal



With a hardness rating of 5 - 6.5, Opal is a relatively soft gem and must be handled with care. We usually use a bezel setting to help protect the stone from knocks and scratches. It’s also best to clean opal with a soft, damp cloth and avoid exposure to harsh chemicals or extreme temperatures.


Moira Patience Fine Jewellery Opal


How is Opal formed?

Opal is formed when silica-rich water seeps into rock crevices and solidifies over time. The play-of-color in opal is caused by the diffraction of light as it passes through the silica spheres within the stone.

Moira Patience Fine Jewellery Opal


Myths & Legends

In ancient times, opal was believed to possess mystical powers and bring protection to those who wore it. The Romans thought it was the most precious and powerful of all gemstones and the Bedouins believed that opals contained lightning and fell from the sky during thunderstorms.


Moira Patience Fine Jewellery Opal



Opal’s can display all the colours of the rainbow. There are several types of opal, including white, black, and fire opal. Each has its own unique characteristics and colour patterns, but black opals are considered to be the rarest.

Moira Patience Fine Jewellery Opal


Any questions about Opals?

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