Ruby. Coloured scanning electron micrograph (SEM) of artificially grown layers of ruby crystals. Ruby,a gemstone and a precious stone,is the red variety of the mineral corundum (aluminium oxide). Magnification: x2762 when printed 10 centimetres high | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Diller, Stefan |
Taille de l’image : | 3872 px × 5421 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |