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. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / NATURAL HISTORY MUSEUM,LONDON |
Bildgröße: | 4134 px × 4256 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |