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单词 allanite
释义 al·lan·ite
\ˈaləˌnīt\ noun
(-s)
Etymology: Thomas Allan died 1833 English mineralogist, its discoverer + English -ite
: a mineral consisting of a brown or black monoclinic silicate allied to epidote and containing cerium, thorium, and other rare metals
al·lan·it·ic \|alə|nid.ik\ adjective
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