Galenite hopper crytals. Naturally occurring hopper or 'skeleton' crystals of the lead sulphide galenite,or galena. The actual width of this sample is 80mm | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4760 px × 3671 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |