Pearls are rare gems formed inside oysters and mussels. Found in oceans and rivers, they can be natural or cultured. Tap to read more. Mollusks like oysters and mussels, which live in both ...

Tropical rock lobsters, or pearl lobsters, as they're better known, are one of the rarest and most expensive lobster varieties. The colorful crustaceans are so valuable that there have even been ...

Natural pearls vary in size, with those exceeding 10 millimetres being rare and particularly valuable. Pearls commonly found in jewellery are typically round and highly valued, especially if they ...

Pearl jewelry is considered by many to be something of a classic—so much so that at one time, a strand of pearls was the quintessential everyday piece of jewelry for many middle class American women.

Glowing like sunlight made solid, this 13-15mm golden South Sea pearl necklace is a statement piece ... [+] with an 18-karat gold clasp. Instantly identifiable yet relatively rare, golden South ...

A new colony of endangered freshwater pearl mussels has been discovered in north Highland. The rare species was uncovered during a watercourse survey being carried out before culvert replacement work.