Geode interior. Macrophotograph of the cut surface of a geode. A geode is formed by the deposition of silica (quartz) on the interior of rock cavities. Different colours are produced by impurities in the quartz | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 4994 px × 3531 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |