BGS mineralogy and petrology collection record
| Sample number | M3073/19; RC95/1; |
|---|---|
| Sample Donor | Not entered |
| Rock name | 'Original entry: Mineral Sample' |
| Stratigraphy | Not entered |
| Comments | Three samples of large black crystals showing penetration twinning. |
| Locality details | Amboanemba Mine,Fort Dauphin |
| 50k map sheet | Not entered |
| Map reference | Not entered |
| Year collected | Not entered |
| Bore name | Not applicable |
| Confidentiality | No restrictions |