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 (given name) been inspired by the name Margaret, which means "pearl". In Nathaniel Hawthorne's 1850 novel "The Scarlet Letter", heroine Hester Prynne names her illegitimate daughter Pearl because the child is "of great price, purchased with all she had, her mother's only treasure." The passage refers to the Parable of the Pearl in the New Testament. The gates to Heaven are also commonly pictured as made of pearl. It was among the 50 most popular names for girls born in the United States between 1880 and 1911, remained among the top 100 most popular names for girls between 1911 and 1926 and