Gadolinite crystals. Gadolinite is a complex silicate mineral including mutually variable amounts of cerium,lanthanum,neodymium,yttrium,beryllium,and iron. It generally occurs as opaque dark well-defined prismatic crystals with a vitreous to pitch like lustre and faint red to greenish hues. Gadolinite is a mineral of growing industrial importance because of its content of the rare earth metal yttrium. This specimen is from Hittero,Flekkenfjord,Norway,and measures 55 mm wide | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Wiersma, Dirk |
Taille de l’image : | 4815 px × 3628 px |
Model Release : | Non requis |
Restrictions : | - |