15dm1124 ((GALENA, SPHALERITE, PYRITE pseudomorph after PYRRHOTITE)), $30 MINIMUM BID, Keystone Mine, Crested Butte, Gunnison County, Colorado, 11 x 8 x 7.5 cm, Cabinet | |
Here is a Crested Butte specimen with cubo octahedral crystals of Galena and Sphalerite crystals. There are also small Pyrite pseudos after Pyrrhotite. ex Dennis McMurdie collection, ex Dave Bunk specimen at $125. |