Usage History of 'niobite'

The following chart shows how frequently 'niobite' appeared in printed materials over time. For example, the word 'niobite' occurred 2 times in books in 1850 and 7 times in 2008. From 1850 to 2008, the word 'niobite' was used a total of 1,181 times in books scanned by Google. See Reference: Google Ngram project.

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