Samarskite mineral. Samarskite is a radioactive rare earth mineral. A rare earth mineral is one that contains one or more rare earth elements as major metal constituents. Samarskite contains yttrium (Y),uranium (U),thorium (Th),niobium (Nb) and tantalum (Ta),in complex with iron (Fe) and calcium (Ca) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5173 px × 3449 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |