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...
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.
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 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 them. They aren't ...
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.
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
If you're like most people, you've wondered, "How are pearls formed in oysters?"
Get the answers from American Pearl.
Mar 13, 2015 ... But that's what he found when he bit down on something hard. The natural pearl,
about the size of a very large pea, is to be sold on Sunday at ...