15aasw1is ((IRIDESCENT CHALCOPYRITE, QUARTZ, CALCITE)), $15 MINIMUM BID, Casteel No. 35 Mine, near Bixby, Viburnum Trend, Iron County, Missouri, 13 x 7 x 2.5 cm, Cabinet, | |
Here is a specimen with iridescent Chalcopyrite on a druse of Quartz on one side. The other side is covered with undamaged sharp scalenahedral crystals of Calcite. |