Native copper. Sample of copper in the form in which it was dug out of the ground. Copper is a metal element with high electrical and thermal conductivities | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / PETR JAN JURACKA |
Bildgröße: | 5184 px × 3461 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |