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| STILPNOMELANE | (K,Ca,Na)(Fe2+,Mg,Al,Fe3+)8(Si,Al)12(O,OH)36·nH2O |
| Locality: Lovejoy Pit, Conway, NH | |
| Specimen Size: 8 cm specimen of smoky quartz, microcline and bronze colored, micaeous stilpnomelane. | |
| Environment: Conway granite | |
| Field collected: Carl Francis | |