Quartz vein (white) in the ground. It is next to a notebook for scale. Veins occur when minerals,deposited by water passing through cracks in the rock,crystallise out of solution. Photographed in Kenya | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Hill, Phil |
Taille de l’image : | 5138 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |