Nugget of native platinum. This precious metal is most commonly obtained from alluvial deposits. Natural occurrences of pure elemental (native) platinum is extremely rare. This specimen,from an alluvial deposit at Nishne Tagilsk in the Russian Ural,measures 70 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4613 px × 3212 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |