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Thread: can anyone help identify this?

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  1. #1
    au
    Danny

    Jan 2018
    Perth, Western Australia
    MD-3010II
    5
    1 times
    All Types Of Treasure Hunting

    can anyone help identify this?

    HI ALL, I found this piece of silver in my back garden using a MD-3010II detector, it was about a foot down among the roots of a 6 metre bottlebrush tree. I tested the piece with a neodymium magnet and there is no attraction what so ever and should mention it was completely rock encrusted when it came out of the ground. I have a theory it may have been a contraband trade ingot from the 17th century Spanish fleet, I could be completely wrong, so I would love to hear your opinions.

    Information that may help- I live in a semi rural area in Perth Western Australia.

    Unfortunately I hit the piece a few times with an axe which resulted in the impact lines you can clearly see.
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  2. #2

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    11,530
    7592 times
    Banner Finds (4)
    Maybe it's not silver ? Could just be slag of some other shiny metal variety ?
    Metal detecting is my one worldy vice!

  3. #3
    au
    Danny

    Jan 2018
    Perth, Western Australia
    MD-3010II
    5
    1 times
    All Types Of Treasure Hunting
    There's a chance it could be aluminum, its non magnetic so no iron in the mix, the detectors sensors indicating silver and its prove accurate so far. I'll leave an update when I test it.

  4. #4
    Charter Member
    us
    DEPLORABLE

    Jul 2015
    Port Allegheny, Pennsylvania
    E-trac, Excalibur, XP Deus, & CTX 3030.
    14,030
    13249 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)
    You can't damage that piece any more than it is already damaged.
    Put that chunk of unknown metal in bleach. If it tarnishes quickly,, it just might be silver.
    SOMETIMES I WISH I DIDN'T KNOW NOW ,,, WHAT I DIDN'T KNOW THEN,, Bob Seger

  5. #5
    au
    Danny

    Jan 2018
    Perth, Western Australia
    MD-3010II
    5
    1 times
    All Types Of Treasure Hunting
    I agree, thanks for the tip.

  6. #6
    Charter Member

    Nov 2012
    6,376
    7728 times
    All Types Of Treasure Hunting
    Banner Finds (4)
    You can also do a specific gravity test. On a piece that small, it should not be hard. Google it for the right set up.
    DannyBeattie likes this.

  7. #7
    au
    Danny

    Jan 2018
    Perth, Western Australia
    MD-3010II
    5
    1 times
    All Types Of Treasure Hunting
    I watched a video, makes me think my ingot is on the light side for its size, I'm going to see if the local pawn shop can perform an acid test on it to get a more accurate id

  8. #8

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    11,530
    7592 times
    Banner Finds (4)
    Quote Originally Posted by DannyBeattie View Post
    .... the detectors sensors indicating silver ...
    Detector TID gauges and graphs only measure conductivity. Not composition. Yes it uses broad categories like "silver" or "gold" or "aluminum", or "iron", etc... But those are based on coin sized objects.

    Example: take a fingernail sized snippet of aluminum can (or just use the tab), and wave it : It's reads low, like tab or nickel or whatever. Right ? Now wave an entire aluminum can in front of your coil. Notice it reads up at dime or quarter now. Right ? Well what changed ? It's still the same material: "Aluminum". Notice that only the size has changed.

    Thus many metals can read in the "silver" range on TID. Molten aluminum cans (thrown on campfires) can be reduced to nuggets that can read very high (ie.: an entire aluminum can, when melted down, is the size of a pecan or walnut now). Naturally the weight would give it away as being aluminum and not something else.

    Let's hope yours is silver though.
    DannyBeattie likes this.
    Metal detecting is my one worldy vice!

  9. #9
    us
    ARC

    Aug 2014
    De Tampe Bahia - La Florida
    JW 8X - ML X2
    12,964
    18805 times
    All Types Of Treasure Hunting
    Aluminum... IMO.
    Rodbuster209 likes this.
    Have permission... Fill holes... Dispose of trash.

  10. #10
    au
    Danny

    Jan 2018
    Perth, Western Australia
    MD-3010II
    5
    1 times
    All Types Of Treasure Hunting
    I have to admit I'm new to metal detecting, though finding all this info useful. Thanks
    AARC likes this.

  11. #11
    Charter Member
    us
    Oct 2010
    Northern California
    MineLab SE, Excaliber 1000, Sovereign, White's SpectrumXLT
    687
    420 times
    All Types Of Treasure Hunting
    Quote Originally Posted by AARC View Post
    Aluminum... IMO.
    Thatís what I was going to guess, Aluminum slag.

  12. #12

    Mar 2007
    Salinas, CA
    Explorer II, Compass 77b, Tesoro shadow X2
    11,530
    7592 times
    Banner Finds (4)
    Quote Originally Posted by DannyBeattie View Post
    I have to admit I'm new to metal detecting, though finding all this info useful. Thanks
    You will get our bill in the mail. The rules here are quite simple: You send Tom_in_CA 30% of all your md'ing finds. I accept paypal
    AARC and DannyBeattie like this.
    Metal detecting is my one worldy vice!

 

 

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