Cultured pearl Cultured pearl A cultured pearl is a pearl created by an oyster farmer under controlled conditions. Cultured pearls can be farmed using two very different groups of bivalve mollusk: the freshwater river mussels, and the saltwater pearl oysters. A pearl is formed when the mantle tissue is injured by a parasite, an attack of a fish or another event that damages the external fragile rim of the shell of a mollusk shell bivalve or gastropod. In response, the mantle tissue of the mollusk secretes nacre into the pearl sac, a cyst that forms during the healing process. Chemically speaking, this
Pearl, Mississippi franchise by the City of Pearl for cable television to be installed was granted on July 6, 1976. The Pearl Chamber of Commerce was formed on August 24, 1978. On October 1, 1997, Luke Woodham went on a shooting spree that ended at Pearl High School, killing two and injuring seven, after earlier stabbing his mother to death. Over the years the city has redeveloped the former Pearl High School into City Hall, including the Pearl Police Department, public works departments, and city courts. A large auditorium-style Community Center was built next door. Its clock tower is inscribed with the