| 14hhdm.o ((4 BUTTE SPECIMEN SAMPLE no. 7)), $10 MINIMUM BID, Steward Mine, Butte, Montana, 5.5 x 3.5 x 1.5 cm, Cabinet | |
 | Here are 4 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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