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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Origin and Etymology of formanite
Francis German Forman, 20th century Australian geologist + English -ite
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