Nepheline, from Nephton, Ontario.Nepheline, also called nephelite, is a feldspathoid: a silica-undersaturated aluminosilicate, that occurs in intrusive and volcanic rocks with low silica, and in their associated pegmatites. | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Degginger, Phil |
Taille de l’image : | 6505 px × 5606 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |