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Pearl

en.wikipedia.org/wiki/Pearl

A pearl is a hard object produced within the soft tissue (specifically the mantle) of a living ..... are still found in the Australian Indian Ocean waters from wild oysters. X-ray examination is req...

How Pearls are Formed - Pearls.com

www.pearls.com/pages/how-pearls-are-formed

There are essentially three types of pearls: natural, cultured and imitation. Natural Pearls form when an irritant - usually a parasite and not the proverbial grain of ...

www.ask.com/youtube?q=Where Are Pearls Found&v=T18E58vOTus
Jan 3, 2012 ... ... Built from hexagonal aragonite crystals of calcium carbonate. Pearls are formed in Clams, Oysters and Mussels, and are found in many p...

How and Why Oysters Make Pearls - Today I Found Out

www.todayifoundout.com/index.php/2016/01/oysters-make-pearls/

Jan 11, 2016 ... Oysters make pearls as a defensive response to foreign objects. The process begins when some foreign body, such as sand, a parasite or ...

How Are Pearls Formed in Oysters? - American Pearl

www.americanpearl.com/historyoyster.html

If you're like most people, you've wondered, "How are pearls formed in oysters?" Get the answers from American Pearl.

How Do Oysters Make Pearls? - Live Science

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

Nov 20, 2012 ... An oyster forms pearls by secreting a mineral substance called nacre and uses it to quarantine an ... Oldest Natural Pearl Found in Arabia.

Cop Finds Rare Pearl Worth 10,000 Clams—in His Clam Stew

news.nationalgeographic.com/2015/03/150313-pearl-oyster-clam-policeman-quahog-stew-auction-science/

Mar 13, 2015 ... Hardly ever in natural pearls; it's usually to enclose a parasite. ... A policeman found a rare natural pearl (above) in his seafood stew that may ...

Where are freshwater pearls found? - GIA

www.gia.edu/gia-faq-about-gemstones-freshwater-pearl

Freshwater pearls are typically found in mollusks known as mussels and can come from any freshwater source like rivers, lakes or ponds.

How Are Pearls Made? What Are Cultured Pearls? Pearl Colors ...

jewelryinfoplace.com/pearls/

While pearls can be found in many shades, including pink and green, white and black are the most commonly used colors. There are eight basic shapes used ...

What are Pearls? - American Museum of Natural History

www.amnh.org/exhibitions/pearls/what-are-pearls/

Nevertheless, naturally occurring pearls are rare, found in perhaps one of every 10,000 animals. The cultured pearl industry, which has flourished since the early  ...

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How do oysters make pearls? | HowStuffWorks

animals.howstuffworks.com

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 ...

Where are Pearls Found? - Kari Pearls

www.karipearls.com

Pearls can be found in the most unlikely places. ... of the exhibition were several types of "shell" creatures mounted and their side was the pearl they produced.

Does Every Oyster Have a Pearl? | Wonderopolis

wonderopolis.org

Dec 9, 2012 ... If you love necklaces, you may be a big fan of pearls, too. Do you know where pearls come from? They don't grow on trees. You can't plant ...