5atdber ((PYRITE pseudomorph after PYRRHOTITE on SPHALERITE and QUARTZ)), $20 MINIMUM BID, Keystone Mine, Crested Butte, Gunnison County, Colorado, 13 x 9 x 6 cm, Cabinet | |
Larger specimen of Pyrite after Pyrrhotite on a dark Sphalerite matrix with some opaque white small terminated Quartz |