Dyscrasite,a silver antimonide (Ag,Sb) mineral that is silvery to dark grey in colour. From the Wenzel mine in the Black Forest,Germany | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4925 px × 3550 px |
Model Release : | Non requis |
Restrictions : | - |