Carnelian agate. Polished specimens of carnelian agate,silica (silicon dioxide) that precipitated from liquid inside existing rock. These successive layers of precipitation are seen as the deposited silica fills hollows in the rock | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Biddle, Paul |
Bildgröße: | 4370 px × 5551 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |