| March |
| New York City Spring Gem & Mineral Show | Holiday Inn New York City-Midtown-57th St., New York, New York, United States | Sat 3rd - Sun 4th Mar 2012 |
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| 19th Annual Peterborough Gem and Fossil Show | Evinrude Centre , Peterborough, Ontario, Canada | Sat 3rd - Sun 4th Mar 2012 |
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| Copthorne Hotel Dudley | Copthorne Hotel Merry Hill Dudley, Brierley Hill, United Kingdom | Sat 3rd - Sun 4th Mar 2012 |
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| Pasadena Lapidary Society | San Marino Masonic Lodge, San Marino, California, United States | Sat 10th - Sun 11th Mar 2012 |
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| Hobart Gem and Mineral Show | Glenorchy Showground, Glenorchy, TAS, Australia | Sat 10th - Sun 11th Mar 2012 |
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| Kempton Park Rock 'n' Gem March Show | Kempton Park Racecourse, Sunbury on Thames, Middlesex, United Kingdom | Sat 10th - Sun 11th Mar 2012 |
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| Valley and Ridge Gem and Mineral Show | The Forum: A Civic Center Complex, Rome, Georgia, United States | Fri 16th - Sun 18th Mar 2012 |
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| Earth Science Club of Northern Illinois Gem, Mineral & Fossil Show | College of DuPage, Glen Ellyn, Illinois, United States | Sat 17th - Sun 18th Mar 2012 |
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| 44th Annual Gem, Mineral and Fossil Show | Erie County Fair & Exposition , Hamburg, New York, United States | Sat 24th - Sun 25th Mar 2012 |
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| Western Massachussets Mineral, Jewelry and Fossil Show | Holiday Inn at Ingleside, Holyoke, Holyoke, Massachusetts, United States | Sat 24th - Sun 25th Mar 2012 |
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| Cheltenham-Rock Gem 'n' Bead March Show | Cheltenham Racecourse, Cheltenham, Gloucestershire, United Kingdom | Sat 24th - Sun 25th Mar 2012 |
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| Badger Lapidary & Geological Society, 42nd Annual, Rock, Gem, Mineral, & Fossil Show | Monroe High School, Monroe, Wisconsin, United States | Sat 31st Mar - Sun 1st Apr 2012 |
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| Mineral Treasures and Fossil Fair | 2020 Mineral Treasures and Fossils Fair, Plymouth Meeting, Pennsylvania, United States | Sat 31st Mar - Sun 1st Apr 2012 |
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| Brighton Rock Gem 'n' Bead April Show | Brighton Racecourse, Brighton, United Kingdom | Sat 31st Mar - Sun 1st Apr 2012 |
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