Chalcopyrite from Cave-in-Rock Mining Sub-District, Hardin County, Illinois, USA
USA | |
| Mineralogical Record (1997) 28:3-49 |
| Rocks & Min.: 63: 211, 222 & 226. |
Econ Geol (1994) 89:288-306 Rocks & Minerals: 63: 221. | |
Econ Geol (1984) 79:1833-1856 | |
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P Cristofono collection | |
| Rocks & Min.: 24:249. |
Hastie's Quarry, Spar Mountain, Cave-In-Rock Mining Sub-District, Hardin County, Illinois, USA