Uncut emeralds. Uncut emeralds (green) in rock. Emerald is a variety of the mineral beryl. It is composed of beryllium aluminium silicates. Emerald occurs mostly in veins of clay and limestones. It is a precious gem when cut and polished,with fine examples commanding high prices | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Biophoto Associates |
Taille de l’image : | 3329 px × 2097 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |