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Nope. How much one pearl weighs isn't going to help you with this method. Try again. What's Killing the Oysters | Culture of Freshwater Pearls How Many Pearls? | History of Pearls | Resources Teacher's Guide | Transcript | Site Map | Pearl Home Editor's Picks | Previous Sites | Join Us/E-mail | TV/Web Schedule About NOVA | Teachers | Site Map | Shop | Jobs | Search | To print PBS Online | NOVA Online | WGBH © | Updated November 2000 |