| Collection | ABDUG University of Aberdeen, Geological Collections |
| Object Name | Grunerite |
| Object Number | ABDUG:Min.11907 |
| Brief Description | Fibrous aggregates in magnetite |
| Place Key | Europe, Portugal, Trasos Montes, Vila Real |
| Association Type Place | findspot |
| Aquisition Source | Tayler, R Mins[?] |