A black mineral that is an ore of niobium and tantalum
A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.
Noun
a black mineral that is an ore of niobium and tantalum
n.
A mineral of a black color, submetallic luster, and high
specific specific gravity. It is a niobate (or columbate) of iron and
manganese, containing tantalate of iron; -- first found in New England.
Columbite
Columbium
A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.
Usage Examples
columbite, xcolumbite, dcolumbite, fcolumbite, vcolumbite, columbite, xolumbite, dolumbite, folumbite, volumbite, olumbite, cxolumbite, cdolumbite, cfolumbite, cvolumbite, c olumbite, ciolumbite, c9olumbite, c0olumbite, cpolumbite, clolumbite, cilumbite, c9lumbite, c0lumbite, cplumbite, cllumbite, coilumbite, co9lumbite, co0lumbite, coplumbite, collumbite, coklumbite, coolumbite, coplumbite, co:lumbite, cokumbite, cooumbite, copumbite, co:umbite, colkumbite, coloumbite, colpumbite, col:umbite, colyumbite, col7umbite, col8umbite, coliumbite, coljumbite, colymbite, col7mbite, col8mbite, colimbite, coljmbite, coluymbite, colu7mbite, colu8mbite, coluimbite, colujmbite, colunmbite, colujmbite, colukmbite, colu,mbite, colu mbite, colunbite, colujbite, colukbite, colu,bite, colu bite, columnbite, columjbite, columkbite, colum,bite, colum bite, columvbite, columgbite, columhbite, columnbite, colum bite, columvite, columgite, columhite, columnite, colum ite, columbvite, columbgite, columbhite, columbnite, columb ite, columbuite, columb8ite, columb9ite, columboite, columbjite, columbkite, columbute, columb8te, columb9te, columbote, columbjte, columbkte, columbiute, columbi8te, columbi9te, columbiote, columbijte, columbikte, columbirte, columbi5te, columbi6te, columbiyte, columbigte, columbire, columbi5e, columbi6e, columbiye, columbige, columbitre, columbit5e, columbit6e, columbitye, columbitge, columbitwe, columbit3e, columbit4e, columbitre, columbitse, columbitde, columbitw, columbit3, columbit4, columbitr, columbits, columbitd, columbitew, columbite3, columbite4, columbiter, columbites, columbited.
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