Native silver vein. Sample of silver in a naturally occurring,wire-like form. This specimen measures is 65mm long and was found in Kongsberg,Norway | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 3898 px × 5906 px |
Model Release : | Non requis |
Restrictions : | - |