How long does it take an oyster to make a pearl?
Freshwater pearls can take 1-6 years to form. Whereas saltwater pearls can take anywhere from 5-20 years to make. The longer the pearl stays in the shell, the larger the pearl becomes.
According to a FUN TRIVIA Subscriber, "Freshwater pearls can take between 1 and 6 years to form; whereas saltwater may take between 5 and 20 years. The longer a pearl stays in the shell, the more nacre that forms and the larger the pearl."
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