Sylvanite crystals. Sample of sylvanite (grey) on calcite and quartz crystals (white). Sylvanite is a silver-gold telluride,and the most common telluride of gold. This specimen measures 65mm across and was found in Romania | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5305 px × 3741 px |
Model Release : | Non requis |
Restrictions : | - |