Cultured pearl Cultured pearl A cultured pearl is a pearl created by an oyster farmer under controlled conditions. Cultured pearls can be farmed using two very different groups of bivalve mollusk: the freshwater river mussels, and the saltwater pearl oysters. A pearl is formed when the mantle tissue is injured by a parasite, an attack of a fish or another event that damages the external fragile rim of the shell of a mollusk shell bivalve or gastropod. In response, the mantle tissue of the mollusk secretes nacre into the pearl sac, a cyst that forms during the healing process. Chemically speaking, this
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