A natural (native) nugget of gold from the Pilbara region in West Australia, weighing in at 20 grams and measuring 10 mm across. It is here set against background of red sandstone. Gold is a chemical element with symbol Au, atomic number 79 and a relative atomic mass of 196.97 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5482 px × 4319 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |