Nacre inside the shell traps and encases the irritant, which protects the soft and vulnerable body of the mollusk from damage ...

If needed, mix mild soap with lukewarm water and dip a soft cloth in the solution to clean the pearl carefully. Rinse with a ...

Pearls are made by marine oysters and freshwater mussels as a natural defence against an irritant such as a parasite entering their shell or damage to their fragile body. The oyster or mussel slowly ...