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 (novel) develops throughout the novel. He begins as a hard-working, simple man that has a wife, Juana, and a son, Coyotito. He is content with his life-style as a diver but is not wealthy until he discovers the pearl. After discovering the pearl, Kino gradually changes to become a completely different man. Though his family is still the center of his actions, he is also driven by greed. Quickly, he becomes obsessed with the material things that the pearl could bring, which is drastically different than before. He is no longer content with his son being uneducated, or his family not