Pyrite from Montgomery County, Arkansas, USA
USA | |
| Miser & Purdue (1929). Rocks & Min.:63:112 |
Econ Geol (1987) 82:1377-1385 | |
(2005) Mineral Resources Data System (MRDS), US Geological Survey. | |
Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index. Rocks & Minerals, 63 (2) 104-125 doi:10.1080/00357529.1988.11761826 |