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
The Pearl-Qatar project was first revealed, the initial cost of constructing the island stood at $2.5 billion. It is now believed the project will cost $15 billion upon completion. The name "The Pearl" was chosen because the island is being built on one of Qatar's previous major pearl diving sites. Qatar was one of the major pearl traders of Asia before the Japanese introduced cheaper more affordable pearls just before Qatar's oil boom. The Pearl Qatar will help represent Qatar's rich past in the pearl industry. Once completed The Pearl will resemble a string of pearls. Residential development on the island is