| Sample number |
UG4466; LABNO5398; RC879/1; |
| Sample Donor |
Not entered |
| Rock name |
'Original entry: Marcaisite (?)' |
| Stratigraphy |
Not entered |
| Comments |
Fragment of black marcaisite?, a radioactive metamict mineral found by M.Marcais in potassic pegmatite. Seems to have an octahedral structure but not studied. Associated with a pinkish brown mineral probably zircon or malacon. ?microlite? |
| Locality details |
Sahavanitroy, 30km south of Autsirabe |
| 50k map sheet |
Not entered
|
| Map reference |
Not entered |
| Year collected |
Not entered |
| Bore name |
Not applicable |
| Confidentiality |
No restrictions |