BGS mineralogy and petrology collection record
| Sample number | LABNO5830; UG8386; RC910/5; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Topaz' |
| Stratigraphy | Not entered |
| Comments | Coarse topaz in tantalite-bearing pegmatite. Main crystal veined at edge by mauve lepidolite. |
| Locality details | Benson I pegmatite |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |