euxenite
Noun. (mineralogy) A dark brown lustrous mineral that is a mixed oxide of cerium, erbium, titanium, uranium, yttrium and other more common metals, with the chemical formula (Y,Ca,Ce,U,Th)(Nb,Ta,Ti)2O6.This is an unmodified, but possibly outdated, definition from Wiktionary and used here under the Creative Commons license. Wiktionary is a great resource. If you like it too, please donate to Wikimedia.
This entry was last updated on RefTopia from its source on 3/20/2012.