BGS mineralogy and petrology collection record
| Sample number | RC844/6 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Polycrase' |
| Stratigraphy | Not entered |
| Comments | Dark brown crystals of polycrase [(Y,Er,Ce,La,U)(Ti,Nb,Ta)2(O,OH)6] in feldspar from pegmatite. |
| Locality details | Heskjestad |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |