
Columbite

Translation of "columbite" into Russian
columbite
Nouncolumbite
columbites pl
Columbite is an important ore of niobium.
Колумбит является важной рудой ниобия.
Definitions
columbite
NounA black mineral consisting of an oxide of iron, manganese, niobium, and tantalum, typically occurring in granite and pegmatites.
The geologist discovered a rich vein of columbite in the old quarry.
columbite
AdjectiveContaining, relating to, or characteristic of the mineral columbite.
The engineers analysed the columbite ore before extraction.