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 ...

A delicate, iridescent pearl takes over two years to form. The nearly six-millimetre pearl in the above video did too. The UAE's only pearl farm in Ras Al Khaimah invites visitors to witness the ...

Pearls begin as irritants within oysters, which respond by slowly covering the foreign object with layers of nacre. This controlled biological process, influenced by environmental factors and diet, ...