BGS mineralogy and petrology collection record
| Sample number | M1841; RC93/1; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Tourmaline' |
| Stratigraphy | Not entered |
| Comments | Seven long black trigonal prisms. |
| Locality details | |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |