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° 6601 |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| MOREAUITE | Al3(UO2)(PO4)3(OH)2•13H2O | phosphates, arsenates and vanadates | phosphates | major |
| APATITE | Ca5(PO4)3(OH,F,Cl) | phosphates, arsenates and vanadates | phosphates | minor |
| RANUNCULITE | Al(UO2)(PO3OH)(OH)3•4H2O | phosphates, arsenates and vanadates | phosphates | minor |
Description
| Description: | sample with well-developed greenish yellow moreauite crystals in geode, ranunculite as golden-yellow nodules and crystals |
| Information: | holotype of moreauite (Deliens & Piret, 1985) [IMA Catalogue of Type Mineral Specimens] // 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. |
Origin
Country:
Congo (RDC)
Region:
Katanga
Locality:
Kobokobo
Specification
| Donors | van Wambeke | Sampling year | |
| Donation year | 1959 | Registration date | |
| Quantity | 1 | Dimension code 1>2>3 | 2 |
| Size | 7 x 6 cm | Quality code 1>2>3 | 1 |
| Holotype | yes | Thin section | no |
| Paratype | no | Chemical analysis | no |
| Radioactive | yes | X-Ray spectra | yes |
