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 of the Orient Tower Pearl of the Orient Tower The Pearl of the Orient Tower, previously known as Embassy Pointe Tower, is a residential skyscraper located in Manila, Philippines, owned by the Philippine Estates Corporation. Standing at , it is one of the tallest buildings in the City of Manila. The building has 42 floors above ground, wherein 6 floors are for parking spaces, 5 floors for office and commercial purposes, 30 floors for luxury residential units, and 2 floors for penthouse units. There are also 4 basement levels for parking. The Pearl of the Orient Tower was designed by American architectural firm Nadel