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...
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...
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 ...
If you're like most people, you've wondered, "How are pearls formed in oysters?"
Get the answers from American Pearl.
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.
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 ...
Freshwater pearls are typically found in mollusks known as mussels and can
come from any freshwater source like rivers, lakes or ponds.
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 ...
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