Polished and cut turquoise. Four different examples of worked turquoise. Turquoise (hydrated copper aluminum phosphate) is widely used in jewellery. It has been used for thousands of years,since at least the time of the Ancient Egyptians | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 2405 px × 3634 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |