kolumbit

التركية - الإنجليزية

تعريف kolumbit في التركية الإنجليزية القاموس.

columbite

It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; first found in New England

A mineral of a black color, submetallic luster, and high specific specific gravity

A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum

الواصلة

ko·lum·bit