Chalcopyrite from
USA | |
| Joseph W. Vasichko Collection 2007 |
| Mike Royal specimen |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |
USA | |
| Joseph W. Vasichko Collection 2007 |
| Mike Royal specimen |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |