Clinothulite from Piedmontia Domain, North America Plate
USA | |
| Eric Briggs collection |
| various added photos |
Richard C. Erd, US. Geological Survey unpublished data | |
| Richard C. Erd, US. Geological Survey unpublished data |
| Richard C. Erd, US. Geological Survey unpublished data |
Richard C. Erd, U.S. Geological Survey | |
| Richard C. Erd, US. Geological Survey unpublished data |
| Richard C. Erd, US. Geological Survey unpublished data |
| Richard C. Erd, U.S. Geological Survey |
Deer Park No. 2 Mine, Penland, Mitchell County, North Carolina, USA