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| PARGASITE | [Na][Ca2][Mg4Al][(OH)2|Al2Si6O22] |
| Locality: Franconia Iron Mine, Sugar Hill, NH | |
| Specimen Size: 3 cm specimen of bladed pargasite crystals in chlorite matrix. | |
| Environment: Magnetite ore mine | |
| Field collected: Tom Mortimer | |
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