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<p>[QUOTE=&quot;medoraman, post: 1390504, member: 26302&quot;]Well I have both types, the long skinny ones and the ones that are rounder and look like mushrooms. I was told by a dealer the aztecs used arsenic to refine the copper, but presence of it remains. He warned me to always use protection when handling.[/QUOTE]</p><p><br /></p>

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