- freshwater pearl
-
any of the small pearls produced esp. by freshwater mussels.
* * *
Universalium. 2010.
* * *
Universalium. 2010.
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