Malachite, a secondary copper ore that has also been used as a semi-precious gemstone. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Science Source / Charles D. Winters |
Bildgröße: | 4699 px × 3315 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |