| Collector Specimen Matches |
| US |
| Colorado |
| MINERALS : GALENA WITH SPHALERITE AND CHALCOPYRITE CRYSTALS FROM COLORADO, USA - , CO US |
| PYRITE crystals * Eagle Mine * Gilman * Colorado - , CO US |
| CHALCOPYRITE crystals on Amethyst * Commodore Mine * Colorado - , CO US |
| PYRITE crystals in Shale * Portland Cement Quarry * Colorado * Ex. Gary Weaver - , CO US |
| Illinois |
| BARITE CRYSTALS With Pyrite Crystals,12.6 OZS Cave-In-Rock Hardin Co,Illinois - , IL US |
| Missouri |
| MINERALS : IRIDESCENT BLUE CHALCOPYRITE CRYSTALS ON MARCASITE XTLS, MISSOURI - , MO US |
| New Mexico |
| CHALCOPYRITE crystals with Quartz * Groundhog Mine * New Mexico - , NM US |
| Utah |
| Limonite after PYRITE crystals * Pelican Point * Utah - , UT US |
| Vermont |
| PYRITE crystals * Carlton Quarry * Vermont - , VT US |
