Tourmaline crystal. Cross section through tourmaline crystal seen in transient light. Tourmaline is a silicate mineral that can occur in several colours. The actual diameter of this sample is 80mm | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 3783 px × 4662 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |