Kornerupine gemstone. Kornerupine (magnesium aluminum iron boro-silicate hydroxide) is a rare boro-silicate mineral which occurs in a range of greens and browns; this emerald colour is exceptional | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 4027 px × 4340 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |