Pearl with a mother of pearl bead center. In the cultured pearl industry, the resources used to create a mistaken all nacre baroque pearl is a drain on the production of round cultured pearls. Therefore, they are trying to improve culturing technique so that keshi pearls do not occur. All nacre pearls may one day be limited to natural found pearls. Today many "keshi" pearls are actually intentional, with post-harvest shells returned to the water to regenerate a pearl in the existing pearl sac. Tahitian pearls, frequently referred to as black pearls, are highly valued because of their rarity; the culturing
Pirates of the Caribbean: The Curse of the Black Pearl Jack Sparrow comes to Port Royal to commandeer a ship, and rescues Elizabeth. Norrington identifies Jack as a pirate, and a chase ensues. Jack encounters Will, now a blacksmith and swordsman. They duel, and Jack is captured and imprisoned. That night, the "Black Pearl" attacks Port Royal in search of the medallion. The crew of the "Pearl" capture Elizabeth, taking her to meet Captain Barbossa. Elizabeth claims her last name is Turner to conceal her identity as the governor's daughter. She learns that her medallion is one of the gold pieces that Barbossa's crew took from a treasure of Hernán