14hhdm.o ((3 BUTTE SPECIMEN SAMPLES)), $5 MINIMUM BID, Steward Mine, Butte, Montana, 6 x 5 x 3 cm, Cabinet | |
Here are 3 specimens from Butte's Steward Mine. Blue iridescent area is probably Bornite. Shiny gold is Pyrite and or Chalcopyrite. ex Dennis McMurdie collection. |