Chalcopyrite from selected localities.
USA | |
| "Maine Mineral Localites, 3rd Ed." by Thompson, W.B., et.al., 1998 |
Van King | |
| https://www.mindat.org/photo-984516.html https://www.mindat.org/min-955.html microscopically confirmed by A. Falster of MMGM Lab |
| No reference listed |
Ryerson Hill Quarries, Paris, Oxford County, Maine, USA