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
The Mystery of the Pink Pearl The Mystery of the Pink Pearl The Mystery of the Pink Pearl ("Golapi Mukta Rahasya") is a Bengali detective story written by Satyajit Ray. Feluda is the protagonist of the story.It was first published in Sandesh (magazine), 1989. The story ranks 31st in Feluda series. In the title story, a rare pink pearl surfaces in a little Bengal village, and the owner turns to Feluda for protection against the machinations of the sleuth's old enemy, the devious Maganlal Meghraj. As the plot twists and turns, Feluda ends up in the sinister galis of Banaras, where he must outwit Maganlal once