Close-up of an opal from Lightning Ridge,NSW,Australia. Opal is a hydrated amorphous form of silica. Because of its amorphous character,it is classed as a mineraloid. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / NATURAL HISTORY MUSEUM,LONDON |
Taille de l’image : | 4969 px × 3517 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |