Crystal of galena, the primary ore of lead. Galena forms isometric crystals, often shaped like cubes or octahedra. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Science Source / Charles D. Winters |
Taille de l’image : | 3540 px × 3810 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |