Petzite crystals in a calcium-based host rock. Petzite (grey) is a soft silver-containing mineral generally deposited by hydrothermal activity | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5138 px × 3425 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |