A retractable foot, a siphon for sucking up water, powerful muscles, and, sometimes, a pearl. And you thought ... a kind of mollusk that's encased in a shell made of two valves, or hinging parts.

A great irony of pearl history is that the least expensive cultured pearl product in the market today rivals the quality of the most expensive natural pearls ever found. The price-value anomaly is ...

Natural pearls form when some kind of irritant, usually a small organism, makes its way into the shell of a mollusk like an oyster or a mussel. To protect itself from the invader, the mollusk ...

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 ...

What is it? Well, many of the manicures feature this ethereal, pearly, opalescent finish, a bit like the mother-of-pearl-insides of a mollusc shell. So there, I’m calling it: shell nails are ...

(IDEX Online) - The world's largest pearl - weighing 27.65kg and valued at $98m is currently being displayed at a secret ...