Rough opal. Opal is the national gemstone of Australia,which produces 97 per cent of the world's supply. This specimen is from Coober Pedy,South Australia. South Australia alone produces around 80 per cent of the world's supply | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bildagentur-online / Mcphoto-Schulz |
Bildgröße: | 3632 px × 2421 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |