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
Pearl (given name) been inspired by the name Margaret, which means "pearl". In Nathaniel Hawthorne's 1850 novel "The Scarlet Letter", heroine Hester Prynne names her illegitimate daughter Pearl because the child is "of great price, purchased with all she had, her mother's only treasure." The passage refers to the Parable of the Pearl in the New Testament. The gates to Heaven are also commonly pictured as made of pearl. It was among the 50 most popular names for girls born in the United States between 1880 and 1911, remained among the top 100 most popular names for girls between 1911 and 1926 and