3298  CHALCOCITE  $175 Leonard Mine Butte, Silver Bow County Montana 3.3 x 2.2 x 1.3 cm   3298-1331iss

 

3628  COVELLITE, CHALCOPYRITE pseudomorph after COVELLITE  $575 Speculator Mine Butte, Silver Bow County Montana 7 x 4.5 x 3 cm   3628-548-10fbdjar

Here is a rare specimen of Covellite and "Golden Covellite" aka Chalcopyrite pseudomorph after Covellite from the Speculator Mine.  This specimen is from 1916.

 

3634  COVELLITE  $65 Leonard Mine Butte, Silver Bow County Montana 5 x 3.5 x 2 cm   3634-548-10fbdjns

 

3657  RHODOCHROSITE  $125 True Fissure Mine Philipsburg District, Granite County Montana 7 x 7 x 6 cm   3657-548-10fbdjnr

 

3662  COVELLITE, PYRITE  $250 Butte Silver Bow County Montana 9 x 5 x 4 cm   3662-548-10fbdjrs