Pulaskite, from Grenville, Quebec.Pulaskite is a variety of nepheline-bearing-alkali-feldspar-syenite containing alkali feldspar and varying amounts of sodic pyroxenes and amphiboles, fayalite, biotite and minor amounts of nepheline. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 6170 px × 5655 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |