- freshwater pearl mussel
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An endangered species of freshwater mussel, Margaritifera margaritifera, capable of producing quality pearls.
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freshwater pearl mussel
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Freshwater pearl mussel — The exterior of the shell of Margaritifera margaritifera Conservation status … Wikipedia
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
pearl mussel — noun : a freshwater mussel producing pearls or mother of pearl … Useful english dictionary
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 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
Pearl — For other uses, see Pearl (disambiguation). Pearl Pearls General Category Mineral Chemical formula Ca … Wikipedia
Mussel — Not to be confused with muscle. Mussel Blue mussels Mytilus edulis in the intertidal zone in Cornwall, England Scientific classification Kingdom … 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
Spengler's freshwater mussel — A shell of Spengler s freshwater mussel from Spain Conservation status … Wikipedia
pearl — pearl1 pearler, n. pearlish, adj. pearllike, adj. /perrl/, n. 1. a smooth, rounded bead formed within the shells of certain mollusks and composed of the mineral aragonite or calcite in a matrix, deposited in concentric layers as a protective… … Universalium
