Mother-of-pearl is the hard, silvery, internal layer of several kinds of shells, especially oysters, the large varieties of which in the Indian Seas secrete this coat of sufficient thickness to ...

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 ...

Thinning may solve the problem, Müller says, because lower shell density usually results in a higher quality pearl. "In effect, the farmers will be getting more with less," he says. Others feel ...

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.

California-based Tsar Nicoulaioffers gold pearl trout roe for about $14 an ounce, with its bright orange in a firm shell and a silky, distinctive pop. AP California-based Tsar Nicoulai ...

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 ...