Description
Unusual looped marcasite, for which this locality is famous, with chalcopyrite on calcite and fluorite. Old Wright’s Rock Shop label.
Marcasite, Chalcopyrite on Calcite and Fluorite
Minerva Mine, Hardin County, Illinois
Additional information
| Dimensions | 16.5 × 9.4 × 7.8 cm |
|---|---|
| Location | Minerva Mine, Hardin County, Illinois |
| Mineral Species | |
| Lot Number |
