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allanite

noun al·lan·ite \ ˈaləˌnīt \
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Definition of allanite

plural -s
: a mineral consisting of a brown or black monoclinic silicate allied to epidote and containing cerium, thorium, and other rare metals
—

allanitic

\¦alə¦nitik\ adjective

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Origin and Etymology of allanite

Thomas Allan †1833 English mineralogist, its discoverer + English -ite

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