Oysters are the main producers of pearls, but clams and mussels can also create them. Pearls form when oysters secrete layers of nacre around irritants. There are natural and cultured pearls, with ...

Lebanese restaurant owner Raymond Salha and his wife were having oysters for lunch when she made a stunning discovery — a cluster of 26 pearls inside an oyster on her plate. The find 10 days ago at ...