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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 2985 px × 2928 px |
Model Release : | Non requis |
Restrictions : | - |