A pearl is a hard object produced within the soft tissue (specifically the mantle) of
a living .... Most freshwater cultured pearls sold today come from China. .... Very
few matched strands of natur...
www.ask.com/youtube?q=Where Do Pearls Come from&v=T18E58vOTus
Jan 3, 2012 ... ... carbonate. Pearls are formed in Clams, Oysters and Mussels, and are found in
many p... ... How Do Oysters Make Pearls? - Duration: 2:29.
Pearls can come from either salt or freshwater sources. Historically, saltwater
pearls were rounder and had a better nacre than freshwater pearls, while ...
Jan 11, 2016 ... Kyle D. asks: Why do oysters make pearls? Pearl ShareShareShareShareShare.
Oysters make pearls as a defensive response to foreign objects. .... What Those
Nasty White Chunks That Sometimes Come From Your Throat ...
Jun 13, 2014 ... Hi There- First, there is a distinction between clams and oysters. Both are bivalve
... Phrase Origins: Where does the saying "happy as a clam" come from? Why are
pearls so expensive? What makes them valuable? What is the ...
If you're like most people, you've wondered, "How are pearls formed in oysters?
... exist, they are incredibly rare; nearly all high-quality pearls come from oysters.
... With freshwater pearls, irritants do not need to be introduced; simply cutting the
Nov 20, 2012 ... An oyster forms pearls by secreting a mineral substance called nacre and uses it
to quarantine an irritant.
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 ...
Those that do produce pearls rarely generate stones that are large enough ....
Natural freshwater pearls come from mussels that live in ponds, rivers, and lakes.
Nov 15, 2010 ... And for good reason: Although manufacturers can dye pearls black, it takes
extremely rare conditions to form ... How Do Oysters Make Pearls?