Definitions for "Cultured Pearl"
Keywords:  mollusk, pearl, oyster, nacre, mussel
A pearl cultivated by artificial insertion of a small irritant (often a bead made of mother-of-pearl and mantle tissue taken from a particular species of oyster found on the Mississippi River) into an oyster or other bivalve mollusk. The method of culturing pearls was patented by Kokichi Mikimoto in 1916.
A pearl produced by implanting a shell bead or mantle tissue into the body of a pearl bearing mollusk. Japan, China, Tahiti, Australia, the U.S., and the Persian Gulf are pearl producing regions.
Pearl grown in a mollusk that has been surgically implanted with an irritant, through human intervention.
Keywords:  jewel, sea, true
a true jewel of the sea
Keywords:  gem, organic
an organic gem