Citrine. Cut and polished specimens are at top right,a polished specimen is at bottom left and specimens in their natural state are at bottom right and centre. Citrine is a rare variety of quartz,(silicon dioxide) | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Biddle, Paul |
Taille de l’image : | 4370 px × 4880 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |