South Sea pearl-shells are common, with white edges ... The pieces are finished on the flat side of the stone, and are then ready for inlaying, engraving, polishing, c. Cylindrical pieces are ...

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.

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 ...