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Onyx

Onyx is part of the agate family (polycrystalline quartz) and has long been used in jewellery.

With its coal black colour and ability to take a good polish it was often used in Art Deco jewellery.

The striped onyx form can also be carved into cameos.

Onyx is the zodiac gemstone for Leo and was very popular with the ancient Greeks and Romans.

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