Sample of clear crystalline quartz, the substrate interspersed with small crystals of pyrite that have a characteristic golden metallic lustre. The quartz crystals are elongate six-sided prisms topped by pyramidal crystal faces, the pyrite is sub-crystalline to cubic or octahedral. This attractive collector's specimen measures 11 cm across. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4752 px × 3677 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |