Pearls are formed in oysters, cockles, which is called (Mollusks) as the ingestion of sand, small shells or other objects into. These nuisance to shell a lot. Shells will eliminate this nuisance by creating a coating material is calcium carbonate. Do this until the nuisance disappears. Synchronization of calcium carbonate known as Connecticut forward consecutive Lin (Conchiolin) And the pearls within a few years.
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