Mineral resource of the month: niobium (columbium)
Geotimes
By: John F. Papp
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Abstract
It’s not just diamonds associated with conflict in Africa. Coltan, short for columbite-tantalite (a blend of niobium — also called columbium — and tantalum minerals), is linked with the recent conflicts in the Congo that involved several African countries. The metallic ore, which is processed to separate out niobium and the very valuable tantalum (see Geotimes, August 2004), is believed to be smuggled out and sold to help finance the armed conflicts.
| Publication type | Article |
|---|---|
| Publication Subtype | Journal Article |
| Title | Mineral resource of the month: niobium (columbium) |
| Series title | Geotimes |
| Volume | 2007 |
| Issue | December |
| Year Published | 2007 |
| Language | English |
| Publisher | AGI |
| Contributing office(s) | National Minerals Information Center |
| Description | HTML Document |
| Larger Work Type | Article |
| Larger Work Subtype | Journal Article |
| Larger Work Title | Geotimes |