Quartz crystals (silicon dioxide). Quartz is one of the commonest minerals in the Earth's crust. It is found in a wide variety of colours and forms. This colourless variety is called rock crystal and is widely used as an ornamental stone | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 3681 px × 4748 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |