Native silver crystals (grey) on a block of ankerite mineral. Silver is sometimes mined in its native form,but often as ore. Because of its high electrical conductivity,silver has a wide range of applications in industry. It is also a valuable precious metal. This sample measures 45 millimetres across | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5228 px × 3636 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |