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Last Post 17 Apr 2020 04:09 PM by  Kenneth Swineford
Polishing rocks
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Thomas Wentling
Sluicer
Sluicer
Posts:71



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17 Apr 2020 11:28 AM
    I have very limited knowledge of rocks. A friend asked about a tumbler. I see the barrel type but I was wondering. Will a tumbler for cleaning gun casings work? I have a Lyman Pro Magnum 2500 Turbo style that has a tub on the top and vibrates vs a drum that rolls. What material do you use inside to polish the rock? Is it different than what they use for Brass? Thanks I do not know if you can attach pictures to posts
    Kenneth Swineford
    Panner
    Panner
    Posts:33



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    17 Apr 2020 04:09 PM
    Yes a vibratory polisher will work but rocks use a grit process verses brass polishing using a metal bb or ceramic pellets. I buy Grit at one of those chain type tool stores its as cheap as I can find it. The bigger the tumbler the more grit it will take, its a Four Step process of grits start to finish and your average barrel tumbler uses only a cup or less depending on amount of rock. After the finishing polish some folks still run an ivory soap and plastic airsoft pellets for cushioning to clean them off and give a high sheen.
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