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Pearl - Wikipedia

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 requ...

How Pearls are Formed - Pearl Jewelry

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

How pearls are formed by saltwater and freshwater mollusks, the culturing process and what about fake pearls?

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...

Where are Pearls Found? - Kari Pearls

www.karipearls.com/where-are-pearls-found.html

Pearls can be found in the most unlikely places. ... You can imagine my shock when I saw a common sand snail with a "pearl" it had created inside of it. But, just  ...

How do oysters make pearls? | HowStuffWorks

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 ...

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.

Does Every Oyster Have a Pearl? | Wonderopolis

wonderopolis.org/wonder/does-every-oyster-have-a-pearl

Do you know where pearls come from? They don't grow on trees. You can't plant them. They aren't mined out of the ground either. So where do pearls come ...

3 Ways to Find Pearls - wikiHow

www.wikihow.com/Find-Pearls

Most pearls found in edible oysters aren't worth much or anything. They are usually misshapen and especially hard. However, be on the lookout for round pearls ...

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 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.