Galena (lead sulphide). This mineral usually occurs as compacted masses of cubic grey crystals, although some possess a rarer octahedral form. It is a common mineral found in various types of rocks. It is the most important lead ore and often contain deposits of silver. | |
Licence : | Droits gérés |
Crédit : | Science Photo Library / RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA |
Model Release : | Non requis |
Durée : | 26 Secondes |
Aspect ratio : | 16/9 |
Restrictions : | - |