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 Slaghoople to date is in the 1993 animated film "", in which she is voiced by Janet Waldo. Pearl Slaghoople appears in both live-action adaptations of the series: Pearl Slaghoople Pearl Slaghoople is a fictional character on the animated TV show "The Flintstones". She is the mother of Wilma Flintstone, who is married to Fred Flintstone. In the original series, she portrays Fred's stereotypically antagonistic mother-in-law, acting as a nagging irritant. Her appearance was similar to Wilma's, although Pearl was noticeably larger-figured, similar in build to the men of Bedrock rather than the more shapely Wilma and Betty. In the original