Mineralogy Database
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Pictures
lepersonnite |
lepersonnite |
bijvoetite |
Minerals found in the sample
| Mineral | Formula | Category | Subcategory | Importance |
|---|---|---|---|---|
| BIJVOETITE-(Y) | Y8(UO2)16O8(CO3)16(OH)8•39H2O | carbonates | - | major |
| LEPERSONNITE-(Gd) | CaGd2(UO2)24(CO3)8Si4O28•60H2O | carbonates | - | major |
| OURSINITE | Co(UO2)2(SiO3OH)2•6H2O | nesosilicates | - | major |
| BECQUERELITE | Ca(UO2)6O4(OH)6•8H2O | oxides and hydroxides | - | minor |
| CURITE | Pb3+x[(UO2)4O4+x(OH)3-x]2•2H2O | oxides and hydroxides | - | minor |
| RUTHERFORDINE | (UO2)CO3 | carbonates | - | minor |
| SKLODOWSKITE | Mg(UO2)2(SiO3OH)2•6H2O | nesosilicates | - | minor |
Description
| Description: | sample with yellow bijvoetite crystals with pyramidal terminations, radial aggregates of golden-yellow acicular lepersonnite crystals, bright white oursinite needles, honey-coloured becquerelite crystals, white fibrous sklodowskite aggregates, red curite needles |
| Information: | holotype of bijvoetite-(Y) and lepersonnite-(Gd) (IMA Catalogue of Type Mineral Specimens) // cotype of oursinite (Deliens & Piret, 1983) (holotype - n° 1321) // Deliens, M. & Piret, P., 1982. Bijvoetite et lepersonnite, carbonates hydratés d'uranyle et de terres rares de Shinkolobwe, Zaïre. Canadian Mineralogist 20, 231-238. // Deliens, M. & Piret, P., 1983. L'oursinite (Co0.86Mg0.10Ni0.04)O.2UO2.2SiO2.6H2O, nouveau minéral de Shinkolobwe, Shaba, Zaïre. Bulletin de Minéralogie 106, 305-308. |
Origin
Country:
Congo (RDC)
Region:
Katanga
Locality:
Shinkolobwe
Specification
| Donors | Gecamine | Sampling year | |
| Donation year | 1980 | 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 |
