noun
- A black or brown mineral containing yttrium, titanium, and other rare earth elements, used as a source of rare earth metals.
Usage: mineralogy; technical
Examples
- Euxenite is an important ore mineral for extracting rare earth elements.
- The geologist identified euxenite in the rock sample under the microscope.
- Euxenite deposits are found in granitic rocks and pegmatites around the world.
- Mining companies seek euxenite as a source of yttrium and other valuable metals.