Dendritic structures of pyrolusite (manganese oxide) on surface of aplitic rock specimen,and solid black mineral specimen | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Dorling Kindersley / UIG |
Taille de l’image : | 4285 px × 4079 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |