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Rare earths march towards supply diversity

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Published: Tuesday, 03 July 2012

As China continues to hold the whip hand on rare earths, so the need to develop new sources becomes ever-more critical, as Gerry Clarke reports

Three decades or so ago, the rare earth minerals were exploited by relatively few companies for traditional uses such as lighter flints, using the mixed rare earth alloy mischmetal; fluid-cracking catalysts for oil refining, using rare earth chlorides; and polishing powders, using mainly cerium oxide. But, the writing was on...

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