Turquoise,a rare opaque mineral and ornamental stone. It is a hydrated copper- aluminium phosphate. This polished sample,measuring 45 millimetres across,originates from Santa Fe,New Mexico,USA | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Wiersma, Dirk |
Bildgröße: | 3756 px × 5197 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |