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° 12194 |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| FRONDELITE | Mn2+(Fe3+)4(PO4)3(OH)5 | phosphates, arsenates and vanadates | phosphates | major |
| MITRIDATITE | Ca2(Fe3+)3O2(PO4)3•3H2O | phosphates, arsenates and vanadates | phosphates | major |
| COERULEOLACTITE | CaAl6(PO4)4(OH)8•4-5H2O | phosphates, arsenates and vanadates | phosphates | minor |
| GOETHITE | FeO(OH) | oxides and hydroxides | - | minor |
| LIMONITE | FeO(OH)•nH2O | oxides and hydroxides | - | minor |
Description
| Description: | block of ochrous material (5 cm) |
Origin
Country:
Congo (RDC)
Region:
Kivu
Locality:
Mwenga, Kobokobo
Specification
| Donors | van Wambeke | Sampling year | |
| Donation year | 1970 | Registration date | |
| Quantity | 1 | Dimension code 1>2>3 | 3 |
| Size | 2 | Quality code 1>2>3 | 1 |
| Holotype | no | Thin section | no |
| Paratype | no | Chemical analysis | no |
| Radioactive | no | X-Ray spectra | yes |
