Zincite and fraklinite. Close-up of zincite (reddish) and franklinite crystals (grey) in a calcite host rock (white). Zincite is the crystalline form of zinc oxide,and an important source of the metal zinc. Franklinite is zinc iron oxide,essentially a zinc-rich magnetite and a member of the spinel group of minerals | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 5125 px × 3417 px |
Model Release : | Non requis |
Restrictions : | - |