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
The Pearl of Love and colder" "sense of colour", and, wearying "altogether of carvings and pictures and inlaid ornamentation", has them "put aside". The prince comes "to care . . . more and more" for "a great aisle" that permits "a vista" of, "the snowy wildernesses of the great mountain, the lord of all mountains, two hundred miles away." All who look upon the Pearl of Love are "exalted", yet the prince feels that, "The Pearl of Love had still something for him to do . . . before his task was done." He realizes that the problem is "a certain disproportion about the