Chalcedony from Ohio, USA
USA | |
| James Cheshire collection |
| Rocks & Minerals 65:6 pp512-540 |
Rocks & Minerals 65:6 pp512-540 | |
| Carlson, Ernest H. (1991) Minerals of Ohio. Bulletin 69 (1st ed.) Ohio Division of Geological Survey |
H. EDWARD CLIFTON. THE CARBONATE CONCRETIONS OF THE OHIO SHALE. THE OHIO JOURNAL OF SCIENCE 57(2): 114, March, 1957. | |
[var. Agate] Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |
[var. Carnelian] Gems and Minerals of America- Jay Ellis Ransom-1974 | |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |
| Carlson, Ernest H. (2015) Minerals of Ohio. Bulletin 69 (2nd ed.) Ohio Division of Geological Survey |
Bill Moose Run, Columbus, Franklin County, Ohio, USA