Dioptase crystals. Dioptase (copper cyclosilicate,green) occurs in the oxidation zones of copper deposits and in the cavities of massive copper minerals. It is very popular with collectors and is often used for jewellery. This sample was found in Namibia | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Goetgheluck, Pascal |
Taille de l’image : | 5055 px × 3570 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |