| IGSN | Sample Type | Notes | Location | Number Thin Sections | Storage Location |
|---|---|---|---|---|---|
| GRD03GYS0 | Pyrite | Colorado | 0 | Ritter 154, 6 F | |
| GRD03GZS0 | Pyrite | Colorado | 0 | Ritter 154, 6 F | |
| GRD03H0S0 | Pyrite | Arizona | 0 | Ritter 154, 6 F | |
| GRD03H1S0 | Pyrite | Pyrite on volcanic rock | California | 0 | Ritter 154, 6 F |
| GRD03H2S0 | Pyrite | Colorado | 0 | Ritter 154, 6 F | |
| GRD03H3S0 | Pyrite | California | 0 | Ritter 154, 6 F | |
| GRD03H4S0 | Pyrite | Unknown | 0 | Ritter 154, 6 F | |
| GRD03M4S0 | Pyrite | Spain | 0 | Vaughan 146, 41 B |