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Handout
Web ref.org: Niobium Handout
Other

Web ref.org: Niobium

For Students 9th - 10th
Basic information on niobium, along with a summary of some of its major uses.
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Website
Usgs: Niobium Website
US Geological Survey

Usgs: Niobium

For Students 9th - 10th
Excellent source from USGS of information for resources on this metal and its geological and mineralogical aspects.
Get Free Access See Review