9dhuu ((RHODOCHROSITE, QUARTZ, PYRITE, CALCITE)), $10 MINIMUM BID, Colorado, 7 x 6 x 3.5 cm, Cabinet, | |
Here is a specimen of Quartz, Pyrite, and Calcite crystals over a vein of Rhodochrosite. It is probably Silverton District, San Juan County in Colorado. ex University of Utah Dept of Geol and Geophys. |