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  1. #1

    Jun 2008
    114

    Concretion material on an artifact?

    What's the best way to remove? I know muriatic acid is used sometimes on brick, but will that remove patina? Just curious...

  2. #2
    us
    Sep 2008
    Missouri
    99
    2 times

    Re: Concretion material on an artifact?

    don't use any acid. try white vinegar for the concretion. or just leave it on since there's no faking that type of deposit. finger nail polish remover works on glue or paint without harming patina.

  3. #3

    Jun 2008
    North Central Ohio
    369
    54 times
    Banner Finds (1)

    Re: Concretion material on an artifact?

    Quote Originally Posted by Shemanese
    What's the best way to remove? I know muriatic acid is used sometimes on brick, but will that remove patina? Just curious...
    That is a form of patina . Leave it be. Show me a picture of it please.

    Twig.
    A bad day of Arrowhead hunting is still better than a good day at work!!

  4. #4
    us
    Mar 2007
    Samuel Watson's Old Place
    Minelab Xterra 70, Tesoro Silver uMax, Fisher 1265X, Garrett Ace 250, Garrett Pro Pointer
    422
    5 times

    Re: Concretion material on an artifact?

    I have seen arrowheads set in walkways before.
    I have found hardstones(grinders, hammerstones, etc.) at old houseplaces that have mortar on them. I am guessing they where used for fireplaces, wells and such.
    There is also an old house down the road that has an OLD outbuilding with alot of chert that is mixed in with the cement.... some of the pieces even look like they were worked.
    My grandpa told stories of bushel baskets of arrowheads being hauled out of particular fields around here so no doubt that some farmers seen these as being available to mix in with mortar.
    Around here artifacts have been used in cement for different purposes.

  5. #5

    Aug 2006
    Troy X5, Whites DFX
    95
    1 times
    All Types Of Treasure Hunting

    Re: Concretion material on an artifact?

    vinegar will help break down the mortar. reacts with the lime just as muriatic acid .vinegar is a 5% acid solution.
    we use muriatic to clean brick as well as exposed aggregate. I've never seen it hurt real stone(will eat sand or cultured stone)eats metal, lime and patina.

  6. #6

    Jun 2008
    114

    Re: Concretion material on an artifact?

    Thanks Vicegrip..

 

 

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