Iolite gemstone. Iolite is a variety of cordierite (magnesium aluminum silicate). It is also known as the 'water sapphire' | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 4649 px × 3759 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |