Search Results for: Jewellery cuff-links not plated with precious metal
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absolutely not. cultured pearls, like natural pearls, are grown within live oysters. each begins when a skilled technician surgically implants a host oyster with a shell bead and piece of mantle tissue. to protect itself, the oyster secretes a crystalline substance, called "nacre," over the irritant.
over time, the nacre layers build on one another, creating a surface that glows with a luster unique to true pearls. artificial, or imitation, pearls, on the other hand, do not involve oysters in any way, but are manufactured from various chemicals and compounds. even so, be aware that some imitation...
https://www.americanpearl.com/faqq.html
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industry machinery and equipment chemicals, pharmaceuticals & plastics chemical base materials plastic products chemical products chemical industry plant and equipment rubber and plastic industry plant and equipment health, medical and pharmaceutical rubber products construction furniture and linen metal...
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