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BookmarkA pearl is a hard, rounded object produced by certain mollusks, primarily oysters.
Pearl is valued as a gemstone and is cultivated or harvested for jewellery.
Pearls are formed inside the shell of certain bivalve mollusks..
For more information about the topic Pearl, read the full article at Wikipedia.org, or see the following related articles:
Oyster — The name oyster is used for a number of different groups of mollusks which grow for the most part in marine or brackish water. Inside a usually ... > read more
Animal shell — A shell is a hard, rigid outer layer, which has evolved in a very wide variety of different animals, including mollusks, sea urchins, crustaceans, ... > read more
Note: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Pearl at Wikipedia.org. See the Wikipedia copyright page for more details.
