Uncut emerald. Emerald is a green variety of beryl (beryllium aluminium cyclosilicate, Be3Al2(SiO3)6. Its green color is due to trace amounts of chromium. Uncut specimen from Colombia. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / SCIENCE SOURCE / Turtle Rock Scientific |
Bildgröße: | 5129 px × 3468 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |