Chrysocolla,a blue copper silicate mineral; occurs in the vicinity of copper deposits throughout the world. It usually occurs in veins of massive material that is rarely translucent,and (as in the photo) often coated with a 'druse' of colorless quartz crystals. Translucent and rich blue material thick enough to fashion gemstones is highly prized in the gem marketplace | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Arem, Joel |
Taille de l’image : | 3851 px × 2550 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : |
|