freshwater pearl

freshwater pearl
any of the small pearls produced esp. by freshwater mussels.

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Universalium. 2010.

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  • Freshwater pearl — Freshwater pearls are a kind of pearl that comes from freshwater mussels. They are produced in Japan and the United States on a limited scale, but are now almost exclusive to China The U.S. Federal Trade Commission requires that freshwater pearls …   Wikipedia

  • Freshwater pearl mussel — The exterior of the shell of Margaritifera margaritifera Conservation status …   Wikipedia

  • freshwater pearl — noun Date: 1918 a usually very small pearl produced by a freshwater mollusk …   New Collegiate Dictionary

  • freshwater pearl — fresh′water pearl′ n. jew any of the small pearls produced esp. by freshwater mussels …   From formal English to slang

  • freshwater pearl — any of the small pearls produced esp. by freshwater mussels …   Useful english dictionary

  • freshwater pearl mussel — noun An endangered species of freshwater mussel, Margaritifera margaritifera, capable of producing quality pearls …   Wiktionary

  • Pearl hunting — or pearl diving refers to a now largely obsolete method of retrieving pearls from pearl oysters, freshwater pearl mussels and, on rare occasions, other nacre producing creatures, such as abalone.HistoryBefore the beginning of the 20th century,… …   Wikipedia

  • Freshwater bivalves — are bivalve mollusks which live in freshwater, as opposed to saltwater. Although the majority of species of bivalve mollusks live in the sea, a number of different families of bivalves live in freshwater (and in some cases in freshwater and… …   Wikipedia

  • Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca …   Wikipedia

  • Pearl oyster — Taxobox name = Pearl oyster image caption = Black lip oyster, Pinctada margaritifera regnum = Animalia phylum = Mollusca classis = Bivalvia ordo = Pterioida familia = Pteriidae genus = Pinctada genus authority = Roding, 1798 subdivision ranks =… …   Wikipedia

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