Copper sulphate (CuSO4) crystals in a crystallising dish. The crystals formed due to the gradual evaporation of a solution of copper sulphate | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Andrew Lambert Photography |
Taille de l’image : | 4886 px × 3580 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |