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columbite
Columbite is a technical term used almost exclusively in scientific, geological, and industrial mining contexts. It is not a word used in everyday conversation unless the speaker is a specialist in mineralogy or metallurgy.
In practical application, columbite is rarely discussed in isolation. It is frequently paired with tantalite, as the two minerals form a solid solution series. In industry, these are often grouped together as coltan (columbite-tantalite), which is the primary source of niobium and tantalum used in electronic capacitors and superalloys.
Meanings
Examples
The geologist identified a small vein of columbite in the rock sample.
Columbite is often found in association with tantalite.
Columbite is often found in association with tantalite.
We need to extract the niobium from the columbite ore.
Is this specimen pure columbite or a mixture of minerals?
The mining company reported a significant deposit of columbite.
The mining company reported a significant deposit of columbite.
I wonder if this dark crystal is actually columbite.
Historically, columbite was a primary source of niobium.
Historically, columbite was a primary source of niobium.
The lab analysis confirmed the presence of columbite in the sediment.