BGS mineralogy and petrology collection record
| Sample number | EMC8465 |
|---|---|
| Sample Donor | Murchison House Mineral Collection |
| Rock name | 'Original entry: Opal' |
| Stratigraphy | Not entered |
| Comments | Matrix opal or "mother of opal", several small specs in tin |
| Locality details | |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |