How to extract very fine powder gold out of black rock

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How to extract very fine powder gold out of black rock Empty How to extract very fine powder gold out of black rock

Post  pedro on Sat Aug 24, 2013 2:26 pm

I have several rocks that have very fine powder gold in them what is the best way to extract out the gold as I have crushed one up and placed powdered rock in a pan but it is so fine how do I separate it from the black host rock powder as it is very very fine:bounce: 
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How to extract very fine powder gold out of black rock Empty Re: How to extract very fine powder gold out of black rock

Post  Gold Dreamer on Sat Aug 24, 2013 7:00 pm

This is a very inexperienced opinion, but I would either let the black send be eaten way by HC acid (brick acid), and pan the remnants.
or use mercury to create an amalgam with gold and put that through a retort. But this is book knowledge, there are a lot of safety issues with both methods I think...
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How to extract very fine powder gold out of black rock Empty Re: How to extract very fine powder gold out of black rock

Post  CrazyPete on Sun Aug 25, 2013 1:00 pm

Gold Dreamer wrote:
or use mercury to create an amalgam with gold and put that through a retort.
Twisted Evil Twisted Evil Twisted Evil Cool  Or use a big spud, cut in hlf and scoop out a hollow to fit ya amalgam ball, wrap in foil ten times and burn the crap outta it in the fire coals..... Gold button ready for sale.

J
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How to extract very fine powder gold out of black rock Empty Re: How to extract very fine powder gold out of black rock

Post  Innerpower on Sun May 11, 2014 9:06 pm

just use the blue bowl Wink

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