Pyrite from Bonne Terre Mine (Pratt Mines; Pen; Lagrave Mines), Bonne Terre, Bonne Terre Mining District, St. Francois County, Missouri, USA
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |
USA | |
| (2005) Mineral Resources Data System (MRDS), US Geological Survey. |