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Pyrite on Quartz, 3200 level, Stewart Mine, Butte District, Silver Bow County, Montana 2 x 2.5 x 4.5 cm $25. Online August 1 SOLD

NSMW12310

  • $ 2500


Combination of octahedral pyrite and quartz from mining ca. 1970. The definitive mine location is really great to see. Eric Petersen Collection. Mr. Petersen bought the specimen when he was on a trip to Montana in 1970: most likely he acquired them from a miner or underground worker. In excellent condition.