Cassiterite crystals. Crystals of cassiterite,a tin oxide mineral,in their host rock. Cassiterite has been the main tin ore throughout history and is still the most important source of tin today | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 5616 px × 3744 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |