blister pearl

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• blister pearl — /ˈblɪstə pɜl/ (say blistuh perl) noun a pearl of irregular shape growing on the oyster s inner shell. See mabe pearl …  

• blister pearl — noun : a pearly excrescence on the inside of the shell of a mollusk (as the oyster) commonly enclosing a foreign body (as a bit of mud or a parasite) …   Useful english dictionary

• 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

• Pearl — /perrl/, n. 1. a town in central Mississippi. 20,778. 2. a female given name. * * * I Concretion formed by a mollusk and consisting of the same material (called nacre, or mother of pearl) as the mollusk s shell. Long treasured as gemstones,… …   Universalium

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

• blister — I. /ˈblɪstə / (say blistuh) noun 1. a thin vesicle on the skin, containing watery matter or serum, as from a burn or other injury. 2. any similar swelling, as an air bubble in a casting or a paint blister. 3. → blister pearl. 4. (formerly) a… …  

• Cultured pearl — A newly opened Hyriopsis cumingi, freshwater mussel, showing the rows of cultured pearls inside. A cultured pearl is a pearl created by a pearl farmer under controlled conditions. Development of a pearl A pearl is formed when the mantle tissue is …   Wikipedia

• cultured pearl — a pearl induced to form by placement of a grain of sand or another irritating object within the shell of a pearl oyster or mussel. Also, culture pearl. [1920 25] * * * ▪ gem       natural but cultivated pearl produced by a mollusk after the… …   Universalium

• mabe pearl — /meɪb ˈpɜl/ (say mayb perl), /meɪbi/ (say maybee) noun a hemispherical cultured pearl consisting of a hollow blister of mother of pearl cut from the shell, filled with a resinous compound, sealed with a disc of mother of pearl, and carefully… …  

• Arco Valley Pearl — The Arco Valley Pearl is a white 575 carat natural blister baroque pearl with pink and yellow overtones. It measures 79 x 41 x 34 mm. Chinese emperor Khubilai Khan reportedly gave it to Marco Polo.During 2007, an UAE collectionner said he bought… …   Wikipedia

• Nacre — Mother of pearl redirects here. For other uses, see Mother of pearl (disambiguation). Part of a series on Seashells …   Wikipedia