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Marcasite

The marcasite of jewellery is in fact iron pyrite as marcasite itself is too brittle alone for the durability required of a piece. This jewellery marcasite is sometimes called ‘fool’s gold’ given its heavily metallic appearance. Marcasite of this kind also offers a kind of iridescence, explaining its use as a more affordable diamond replacement that will still catch the light beautifully.

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