A guide to the different types of pearls and where they come from: Natural versus cultured pearls: The life of the natural pearl begins when a foreign object such as a parasite or piece of shell ...

• Natural pearls: Formed without human interference, these are incredibly rare. • Cultured pearls: The process is natural, but guided by farmers who carefully place a nucleus inside the mollusc to ...

Though Koji Kawamoto lectures throughout the world about the origins and different types of pearls, an impressive selection of his extraordinary creations can always be seen at Karats Vail. He will be ...

Among the world's 8,000 species of mollusk, only about 20 produce pearls. Found in rivers and seas from Scotland to French Polynesia, these shell fish yield gems in more flavors than you'll find in a ...

Pearl jewelry has gained a well-deserved reputation for sophistication and elegance in its many centuries of existence. Pearls, especially certain types and colors, are a status symbol of sorts. The ...

Members of the media are silhouetted as they walk past the giant clam shell and model of the largest recorded pearl at the Pearls: A Natural History exhibit at the Alden B. Dow Museum of Science and ...

Everybody knows how oysters make pearls — a bit of sand or grit slips through the protective barrier of their outer shell, irritating the mollusk’s body, and the invertebrate encircles the invader ...