"14683859-n"^^ . "114683859"^^ . . "a black mineral that is an ore of niobium and tantalum"@en-us . "113843854"@en-us . . "columbite"@en-us . . . . . "0"^^ . . "0"^^ . "niobite"@en-us . "niobite"^^ . . . "110525730"@en-us . . .