*from the Idarado Mine, Ouray, Colorado. *81 x 35 x 33mm overall
White calcite on a single quartz crystal. The calcite is UV under LW, as seen in the photo.
The historic Idarado Mine is a closed mining operation in Colorado's San Juan Mountains between Telluride and Ouray. It operated until 1978-1979. It was a major producer of lead, silver, zinc, gold, and copper, with roughly 80–100 miles of underground workings.
