| 14hhdm.o ((2 BUTTE SPECIMEN SAMPLE no. 2)), $5 MINIMUM BID, Steward Mine, Butte, Montana, 6 x 4 x 2 cm, Cabinet | |
 | Here are 2 specimens from Butte's Steward Mine. Blue iridescent area is probably Bornite. Shiny gold is Pyrite and or Chalcopyrite. ex Dennis McMurdie collection. |
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