Lead ore surface. Patterns on a cut and polished surface of a piece of lead ore. The grey metallic sheen is due to the lead content,but the patterns seen on the surface are due to the presence of zinc impurities. This type of lead ore is found in ancient mining areas of Belgium and Germany | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4954 px × 3565 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |