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
Pearl Eytinge Pearl Eytinge Pearl Eytinge (1854–1914) was a New York-born actress, author, producer, playwright and activist who once said "“There is no vice on earth of which I have not partaken”". Her addiction to drink and drugs ended her stage career and it was said of her that: "“Pearl Eytinge the women slew Pearl Eytinge the artist”". In later years she lectured on the dangers of drug taking. When Pearl’s mother, Margaret Winship, met and later married Sol Eytinge, she had two children from previous relationships. Her son, James S Wyckoff, kept the name of his biological father whilst Pearl adopted