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al·lan·ite | \ ˈaləˌnīt \
plural -s
Definition of allanite
: a mineral consisting of a brown or black monoclinic silicate allied to epidote and containing cerium, thorium, and other rare metals
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Merriam-Webster unabridgedWords at Play
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Time Traveler for allanite
The first known use of allanite was in 1810
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