A pale yellow sapphire,one of the gem varieties of corundum,cut as a gemstone weighing just over 30 carats. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NATURAL HISTORY MUSEUM,LONDON |
Taille de l’image : | 2859 px × 2499 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |