Limburgite. Limburgite is a dark coloured igneous volcanic rock resembling basalt in appearance,but normally not containing feldspar. They consist essentially of olivine and augite with a brownish glassy groundmass. Here a void in the rock (white centre) has been filled with a crystal of another mineral | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4769 px × 3780 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |