allanite
noun
al·lan·ite
ˈaləˌnīt
plural -s
: a mineral consisting of a brown or black monoclinic silicate allied to epidote and containing cerium, thorium, and other rare metals
allanitic adjective
¦alə¦nitik
Word History
Etymology
Thomas Allan †1833 English mineralogist, its discoverer + English -ite
First Known Use
1810, in the meaning defined above