Most people know that a pearl is formed from having an irritant inside of the oyster. It secrets layers of mother-of-pearl to protect its body from the irritant, thus creating a pearl. It takes two to three years to produce a good size pearl.
Good quality pearls can be VERY expensive and like diamonds, color, size, clarity and etc. determine the valueOysters grow on oyster reefs and one of the best area's is the Chesapeake Bay.