Columbite

Definition:

• (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.

Compare columbite with other words:

columbine vs. columbite

columbate vs. columbite

columbite vs. niobite

columbite vs. ferrocolumbite

columbite vs. columbium

columbite vs. tantalum

columbite vs. ore

columbite vs. tantalate

columbite vs. niobate

columbite vs. manganese

columbite vs. iron

columbite vs. mineral

columbite vs. niobium