Euxenite in its host rock. Euxenite is a complex mineral oxide that may contain,besides calcium,a large number of rare earth elements,as well as the radioactive elements uranium and thorium. This sample is from Voandelaka,Madagascar,and measures 50 mm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 3543 px × 5024 px |
Model Release : | Non requis |
Restrictions : | - |