Bornite specimen. Bornite (copper iron sulphide) is a mineral that tarnishes to an iridescent shade of blue and purple | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Natural History Museum, London |
Taille de l’image : | 4735 px × 3691 px |
Model Release : | Non requis |
Restrictions : | - |