fergusonite

[ fur-guh-suh-nahyt ]

noun

1. a rare-earth mineral, yttrium columbate and tantalate, found in pegmatites.

Word History and Origins

Origin of fergusonite¹

1820–30; named after R. Ferguson, 19th-century Scottish physician; -ite ¹

Example Sentences

Cleveite, samarskite and fergusonite contain a little more than monazite.

From Project Gutenberg

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

From Project Gutenberg

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.

From Project Gutenberg