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
The Pearl of Love sarcophagus" that causes it to, "lay incongruously in the great vista of the Pearl of Love." He returns with "an architect and two master craftsmen and a small retinue" and then, after long, silent deliberation—"no one knew the thoughts that passed through his mind"—he points at his wife’s sarcophagus and says, "Take that thing away." "The Pearl of Love" was first published in "The Strand Magazine" in December 1925. In 1927 Wells told the "Sunday Express" that "The Pearl of Love" and "The Country of the Blind" were his favorites among the stories he had written. The Pearl of Love