15dm366 ((PYRITE pseudomorph after PYRRHOTITE on GALENA on QUARTZ)), $35 MINIMUM BID, Keystone Mine, Crested Butte, Gunnison County, Colorado, 10 x 9 x 4.5 cm, Cabinet, | |
Here is a specimen with larger cubo octahedron crystals of Galena on matris covered with small terminated opaque Quartz crystals. There is also Pyrite is is actually Pyrite pseudomorphs after Pyrrhotite. No damage and very fine Colorado specimen. Dennis McMurdie collection. |