formanite

noun
for·​man·​ite | \ ˈfȯrməˌnīt\
plural -s

Definition of formanite

: a mineral (U,Zr,Th,Ca)(Ta1Nb)O4 consisting essentially of an oxide of uranium, zirconium, thorium, calcium, tantalum, and niobium with some rare-earth metals and isomorphous with fergusonite

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History and Etymology for formanite

Francis German Forman, 20th century Australian geologist + English -ite

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