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Gold Prospecting
Alluvial Gold Prospecting
Breaking up clay
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<blockquote data-quote="Wintersnake" data-source="post: 36651" data-attributes="member: 1598"><p>You need a Ball Mill. </p><p>Most people use hand cranked Stone/Gem polishing machines.</p><p></p><p>For me a cement mixer would be too heavy you would rarely fill it to capacity and turn it by hand.</p><p></p><p>Using a 20L steel drum sized barrel clamp a screen over the opening so the rocks (balls) don't fall out but the fines can be poured out. Crank the hell out of it. Throw a few buckets of water in to help break it down and then you can tip it straight onto you sluice.</p></blockquote><p></p>
[QUOTE="Wintersnake, post: 36651, member: 1598"] You need a Ball Mill. Most people use hand cranked Stone/Gem polishing machines. For me a cement mixer would be too heavy you would rarely fill it to capacity and turn it by hand. Using a 20L steel drum sized barrel clamp a screen over the opening so the rocks (balls) don't fall out but the fines can be poured out. Crank the hell out of it. Throw a few buckets of water in to help break it down and then you can tip it straight onto you sluice. [/QUOTE]
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Gold Prospecting
Alluvial Gold Prospecting
Breaking up clay
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