columbite
About 0.04 uses per million words.
Meaning
- noun A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
Similar words
niobite tantalite ferrocolumbite coltan bismutocolumbite manganocolumbite manganotantalite bismutotantalite niobocarbide polymignyte
Often followed by
and is in from are
Word family
columbites
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