Madagascar volcanic provinces linked to the Gondwana break-up: geochemical and isotopic evidences for contrasting mantle sources
Mineralogy Database
Search | About the mineralogy database | Contact| Sample n° 6203 |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| MOREAUITE | Al3(UO2)(PO4)3(OH)2•13H2O | phosphates, arsenates and vanadates | phosphates | major |
| RANUNCULITE | Al(UO2)(PO3OH)(OH)3•4H2O | phosphates, arsenates and vanadates | phosphates | major |
| COERULEOLACTITE | CaAl6(PO4)4(OH)8•4-5H2O | phosphates, arsenates and vanadates | phosphates | minor |
Description
| Description: | sample with aggregates of small yellow moreauite nodules, yellow-orange ranunculite nodules, white coeroleolactite |
| Information: | cotype of moreauite (Deliens & Piret, 1985) (holotype - n° 6601) // Deliens, M. & Piret, P., 1985. Les phosphates d'uranyle et d'aluminium de Kobokobo. VII. La moreauïte, Al3(UO2)(PO4)3(OH)2.13H2O, nouveau minéral. Bulletin de Minéralogie 108, 9-13. // Deliens, M. & Piret, P., 1977. Les phosphates d'uranyle et d'aluminium de Kobokobo. I. Données préliminaires. Bulletin de la Société Belge de Géologie 86, 183-190. (moreauite [mineral G]) |
Origin
Country:
Congo (RDC)
Region:
Katanga
Locality:
Kobokobo
Specification
| Donors | MGL | Sampling year | |
| Donation year | 1958 | Registration date | |
| Quantity | 1 | Dimension code 1>2>3 | 3 |
| Size | 3 x 2 cm | Quality code 1>2>3 | 1 |
| Holotype | no | Thin section | no |
| Paratype | yes | Chemical analysis | no |
| Radioactive | yes | X-Ray spectra | yes |
