Euxenite Sentence Examples

The element is of extremely rare occurrence, being met with only in argyrodite and, to a very small extent, in euxenite.

The rare earth metals are found in the minerals gadolinite, samarskite, fergusonite, euxenite and cerite.

It is usually found associated with tantalum, the chief minerals containing these two elements being tantalite, columbite, fergusonite and yttrotantalite; it is also a constituent of pyrochlor, euxenite and samarskite.

Ilmenite is isomorphous with geikielite, MgTiO 3, and pyrophanite, MnTiO 3; many of the "rare minerals" - aeschynite, euxenite, polycrase, &c. - contain titanates (and also niobates).