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 Street Schoolhouse Pearl Street Schoolhouse The Pearl Street Schoolhouse, also known as District 11 Schoolhouse, is located south of the junction of Awosting and Decker roads in the Town of Shawangunk, New York, United States. It was built around 1850. The schoolhouse name is derived from the tendency of the Jansen family to speak often of Pearl Street in what is today Lower Manhattan. The homes of early settlers Thomas and Johannes are within a mile (1.6 km) of each other. Eventually, the whole area they lived in became known as Pearl Street. The building, now a private home, was added to