Beryl crystals. Crystals of the mineral gemstone beryl (beryllium aluminium silicate). Beryl is normally green,but blue,yellow,red and translucent varieties are also seen. It occurs in igneous rocks like granites and pegmatites,but also in schists and gneisses,often associated with rutile. It is an ore for extracting the metal beryllium,but also an attractive semi-precious stone for use in jewellery | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5138 px × 3425 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |