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° 13612 |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| CONICHALCITE | CaCuAsO4(OH) | phosphates, arsenates and vanadates | arsenates | major |
| KOLWEZITE | (Cu,Co)2CO3(OH)2 | carbonates | - | major |
| QUARTZ | SiO2 | tektosilicates | - | minor |
Description
| Description: | small light green conichalcite rosettes and beige radial aggregates of acicular kolwezite on quartz (locally greenish) |
Origin
Country:
Congo (RDC)
Region:
Katanga
Locality:
Mindigi
Specification
| Donors | Coussement | Sampling year | |
| Donation year | Registration date | ||
| Quantity | 1 | Dimension code 1>2>3 | 1 |
| Size | 2 | Quality code 1>2>3 | 1 |
| Holotype | no | Thin section | no |
| Paratype | no | Chemical analysis | no |
| Radioactive | no | X-Ray spectra | yes |
