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CULTURED PEARL
Forced introduction of a bead nucleus into a mollusc, stimulating the animal to secrete layers of "Nacre" over it, which forms a cultured pearl. Note, the use of the word "pearl" alone means "natural". See "Natural Pearl". Mohs hardness of 2.5


Jewellery Timeline

Learn about the design history of fine jewellery

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Jewellery Timeline

Learn which gemstones and jewellery make the perfect bithday gift or anniversary celebration

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