Cultured pearl is calcium carbonate and a fibrous protein called conchiolin. As the nacre builds up in layers of minute aragonite tablets, it fills the growing pearl sac and eventually forms a pearl. Natural pearls are formed by nature, more or less by chance. On the other hand, cultured pearls are human creations formed by inserting a tissue graft from a donor oyster, upon which a pearl sac forms, and the inner side precipitates calcium carbonate, in the form of nacre or "mother-of-pearl". The most popular and effective method for creating cultured pearls are made from the shells of freshwater river mussels
Parable of the Pearl to be Jesus. There have been several depictions of the New Testament parable in art, including works by Domenico Fetti, John Everett Millais, and Jan Luyken. The parable is referenced in Nathaniel Hawthorne's novel "The Scarlet Letter" on page 82: "But she named the infant 'Pearl,' as being of great price- purchased with all see had,- her mothers only treasure!" Parable of the Pearl The Parable of the Pearl (also called the Pearl of Great Price) is one of the parables of Jesus. It appears in and illustrates the great value of the Kingdom of Heaven. It is the penultimate