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<p>[QUOTE=&quot;Collector1966, post: 1697115, member: 17919&quot;]Almost no bauxite is mined for aluminum in the United States anymore, and only a handful of bauxite operations in the US employ more than a dozen people, so it&#039;s not like bauxite is an important mining mineral in the US. Lead is becoming less of an industrial metal because of its toxicity, and gypsum mines are so common that a mine closure is not going to have a significant impact outside of the local area. Furthermore, none of these minerals has really been considered to be &quot;investment materials&quot;.[/QUOTE]</p><p><br /></p>

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