| Specimen # | Mineral Name | Location | Image |
| #14 | Pyrite | Ojuela Mine, Mapimi, County, Durango, MEXICO | No Image |
| #15 | Pyrite | Ojuela Mine, Mapimi, County, Durango, MEXICO | No Image |
| #32 | Pyrite | Dollar - Kentucky, USA | No Image |
| #102 | Pyrite | ?, ?, ? County, Unknown, UNKNOWN | No Image |
| #204 | Pyrite | Mill Hollow Park, Vermillion, Lorain County, Ohio, USA | No Image |
| #308 | Pyrite | Ambas, SPAIN | No Image |
| #312 | Pyrite | ?, ?, ? County, Unknown, UNKNOWN | No Image |
| #378 | Pyrite | Magma Mine, Pinal County, Arizona, USA | No Image |
| #527 | Pyrite | 430 Drift Wyoming Mine, Redcliff, Eagle County, Colorado, USA | No Image |
| #561 | Pyrite | St Joe Minerals Zinc Mine, Balmat, St Lawrence County, New York, USA |  |
| #637 | Pyrite | Double Rainbow Mine, Galena, Pennington County, South Dakota, USA | No Image |
| #682 | Pyrite | Ps After Pyrrhotite - MEXICO | No Image |
| #774 | Pyrite | Unknown, UNKNOWN | No Image |
| #820 | Pyrite | Ambasaguas, SPAIN |  |
| #857 | Pyrite | Homestake Mine, Lead, Meade Co. County, South Dakota, USA | No Image |
| #865 | Pyrite | Unknown, UNKNOWN | No Image |
| #962 | Pyrite | Logrono, SPAIN | No Image |
| #1079 | Pyrite | Ambas, SPAIN | No Image |
| #1244 | Pyrite | Logano, SPAIN | No Image |
| #1357 | Pyrite | Iron Cross Twin - Lemgo, Westfalen, GERMANY | No Image |