Silica rock crystal samples. Large hexagonal pyramidic crystals of silicon dioxide (silica) that formed inside granite. These samples are part of the Geoscope geological park,located between Les Monts-Vert and Albaret-Sainte-Marie,central France | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 5722 px × 3071 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |