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en.wikipedia.org/wiki/Oyster

Almost all shell-bearing mollusks can secrete pearls, yet most are not ... Pearl oysters are not closely related to true oysters, being ...

en.wikipedia.org/wiki/Pearl

A pearl is a hard object produced within the soft tissue (specifically the mantle) of a living ... Cultured or farmed pearls from pearl oysters and freshwater mussels make up the majority of those .... When a cultured pearl with a bead nucleus is X- rayed, it reveals a different structure to that of a natural pearl (see diagram).

www.encyclopedia.com/plants-and-animals/animals/zoology-invertebrates/pearl-oyster

Get information, facts, and pictures about Pearl (oyster) at Encyclopedia.com. Make research projects and school reports about Pearl (oyster) easy with credible ...

www.nationalgeographic.com/animals/invertebrates/group/oysters

Learn why these slimy-but-tasty invertebrates produce pearls. See how oysters can help humans monitor water quality by serving as “canaries in the coal mine."

www.livescience.com/32289-how-do-oysters-make-pearls.html

Nov 20, 2012 ... A natural pearl begins its life inside an oyster's shell when an intruder, such as a grain of sand or bit of floating food, slips in between one of the ...

animals.howstuffworks.com/marine-life/question630.htm

Most jewelry is fashioned out of precious metals and jewels that are found buried in the Earth, but pearls are found inside a living creature, an oyster. Pearls are ...

www.pinterest.com/pin/571886852651409586

Detailed oyster diagram. antique oyster poster - Google ... antique oyster poster - Google Search. diagram. ShellBowls. diagram ..... JewelryCrystal. Pearl oyster ...

www.ask.com/youtube?q=Diagram+of+a+Pearl+Oyster&v=T18E58vOTus
Jan 3, 2012 ... http://www.jpearls.com Built from hexagonal aragonite crystals of calcium carbonate. Pearls are formed in Clams, Oysters and Mussels, and are ...

www.amnh.org/content/download/39657/579788/file/pearlsguide.pdf

Display a diagram of a pearl oyster or draw a simplified diagram on the chalkboard. Students should learn that pearls form within oysters and certain other ...

www.nefsc.noaa.gov/publications/classics/galtsoff1964/chap2.pdf

Blue Point oyster (C. virginica) from Great South Bay, Long Island, N.Y. The ..... round and symmetrical shells of scallops, pearl .... The diagrams clearly show.