Quartz vein in granite. Close-up of a quartz vein (diagonal) running through a granite rock containing large feldspar crystals. Photographed near Lavertezzo,Switzerland | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Alean, Dr. Juerg |
Taille de l’image : | 5061 px × 3472 px |
Model Release : | Non requis |
Restrictions : | - |