15fbdjir ((BORNITE, QUARTZ, PYRITE)), $15 MINIMUM BID, Butte, Silver Bow County, Montana, 9 x 4 x 3.5 cm, Cabinet | |
Matrix is massive Quartz and Pyrite. Surface has lots of terminated Quartz crystals on lustrous Pyrite crystal faces. Small mounds and spericules of multicolored Bornite coat much of the Pyrite faces. |