Quartz vein in gneiss rock. Close-up of a fractured vein of quartz (white) in strongly layered gneiss. Photographed near Lavertezzo,Switzerland | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 5125 px × 3417 px |
Model Release : | Non requis |
Restrictions : | - |