Definition of yttrotantalite
: a mineral (Fe,Y,U,Ca,etc.)(Cb,Ta,Zr,Sn)O4 consisting of a metamict oxide of iron, yttrium uranium, calcium, columbium, tantalum, zirconium, tin, and other minerals and probably related to samarskite —called also yttrocolumbite
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Origin and Etymology of yttrotantalite
Swedish yttrotantal yttrotantalite (from yttr- —from New Latin yttria—+ -o- + tantal tantalum, from New Latin tantalum) + English -ite
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