BGS mineralogy and petrology collection record
| Sample number | MR18013 |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: ?Cave Pearls' |
| Stratigraphy | Not entered |
| Comments | Presented by THe National Museum of Wales per Dr F.J.North |
| Locality details | From pools in cave, Ogof Ffynnon Ddu, Craig y Nos |
| 50k map sheet | Merthyr Tydfil (231) |
| Map reference | SN 848 152 |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |