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 ... http://www.jpearls.com Built from hexagonal aragonite crystals of calcium
carbonate. Pearls are formed in Clams, Oysters and Mussels, and are ...
Pearls can come from either salt or freshwater sources. Historically, saltwater
pearls were rounder and had a better nacre than freshwater pearls, while ...
How do oysters make pearls, and what is the difference between natural and
cultured ... This ligament is positioned where the valves come together, and
Nov 20, 2012 ... An oyster forms pearls by secreting a mineral substance called nacre and uses it
to quarantine an irritant.
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 ...
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
Naturally coloured black pearls come from the pearl farms of French ... like a
piece of shell, bone, coral or parasite does the oyster start nacre production.
Hi There- First, there is a distinction between clams and oysters. Both are bivalve
... difference between clams and mussels? Why do clams have pearls? Phrase
Origins: Where does the saying "happy as a clam" come from?
Learning about the types of pearls is an educational experience. We believe
pearls are a classic addition to any jewelry collection.