Amethyst quartz birthstone. Amethyst is a form of quartz that is purple in colour. It is the birthstone for the month of March. Natural History Museum specimen number: 1934,918 | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Natural History Museum, London |
Bildgröße: | 2985 px × 2928 px |
Modell-Rechte: | nicht erforderlich |
Restrictions: | - |