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
Daniel Pearl On December 10, 2007, President George W. Bush and Laura Bush invited Ruth and Judea Pearl, parents of Daniel Pearl, to the White House Chanukah reception. They lighted the Pearl family menorah that once belonged to Daniel's great-grandparents, Chaim and Rosa Pearl, who brought it with them when they moved from Poland to Israel in 1924. There they helped establish the town of Bnai-Brak. The late former mayor of New York City Ed Koch requested that his own tombstone be inscribed with Pearl's words: "My father is Jewish, my mother is Jewish, I am Jewish." Shortly after Pearl's death, his