What are conflict minerals? - Responsible Minerals Initiative
https://www.responsiblemineralsinitiative.org/about/faq/general-questions/what-are-conflict-minerals/
WebWhat are conflict minerals? “Conflict minerals,” as defined by the US legislation, currently include the metals tantalum, tin, tungsten and gold, which are the extracts of the minerals cassiterite, columbite-tantalite and wolframite, respectively.
DA: 78 PA: 77 MOZ Rank: 27