Black opal from Lightning Ridge,NSW,Australia,set in a ring. 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 : | 4134 px × 4256 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |