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  1. Jan 18, 2012, 04:08 AM
    Original Poster
     #1
    JUDDZILLA
    JUDDZILLA is offline
    us
    Dec 2011
    Allentown, Pa.
    46
    Rocks/Gems /Native American

    What is this? Not magnetic(doesnt stick 2 magnet) HelpID

    This is very hard. Doesn't stick to magnet. Found in Allentown Pa. Any help identifying would be appreciated. Thanks
    Attached Thumbnails Attached Thumbnails What is this? Not magnetic(doesnt stick 2 magnet) HelpID-066.jpg   What is this? Not magnetic(doesnt stick 2 magnet) HelpID-067.jpg   What is this? Not magnetic(doesnt stick 2 magnet) HelpID-068.jpg  
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  2. Jan 18, 2012, 06:49 AM #2
    Eu_citzen
    Eu_citzen is offline
    Eu_citzen's Avatar
    se
    Sep 2006
    Sweden
    White's or Minelab
    3,053
    5 times
    All Types Of Treasure Hunting

    Re: What is this? Not magnetic(doesnt stick 2 magnet) HelpID

    Do a streak test - rub it against a unglazed piece of porcelain. What colour do you get?

    Could be hematite - you'd get a reddish streak.
    Geologists are gneiss, tuff, and a little wacke.
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  3. Jan 18, 2012, 09:41 AM #3
    Dknight34
    Dknight34 is offline
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    Jan 2008
    San Diego
    Tesoro LST & SS
    18

    Re: What is this? Not magnetic(doesnt stick 2 magnet) HelpID

    Probably Ironstone. A sedimentary rock. Hard to say from photos, but look with a 10X loupe and see if you can see indiviual grains. Common in PA. It woul not likely be magnetic.
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  4. Jan 19, 2012, 03:16 PM #4
    Eu_citzen
    Eu_citzen is offline
    Eu_citzen's Avatar
    se
    Sep 2006
    Sweden
    White's or Minelab
    3,053
    5 times
    All Types Of Treasure Hunting

    Re: What is this? Not magnetic(doesnt stick 2 magnet) HelpID

    Doesn't looks like any iron stone I've ever seen. You have that kind of massive iron stones out in the US? Pics?
    Geologists are gneiss, tuff, and a little wacke.
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