Aluminum or Silver
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Thread: Aluminum or Silver

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  1. #1
    Aug 2019
    Cypress Texas
    Garrett Ace 400
    17 times
    Metal Detecting

    Aluminum or Silver

    Found item 1890 - 1920 homestead
    Research found that it was an aluminum hinged lid, yet it bench testing
    Was range 95+. Other aluminum items are testing
    in the range 75 - 84. Aluminum foil test at 40ish
    Which seems more in line.
    Could the item at 95+ be truly silver, or is my Garrett Ace 400
    out of calibration?
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    alaskaseeker likes this.

  2. #2
    Mar 2011
    San Diego
    Equinox 800, Treasure Probe IV, E-Trac, 3 Excal 1000's, White's GM3 V-sat. White's TM808, VibraProbe, 15" NEL Attack, 5X10 Joey, Steath 920ix and 720i, TRX, etc....
    7687 times
    All Types Of Treasure Hunting
    Honorable Mentions (3)
    When it comes to I.D. numbers, size matters. Aluminum can read from just above iron to the end of the silver scale....unfortunately. The larger/thicker the chunk is, the higher it will read.
    "jus cuz it's wrote down, don't make it so"

  3. #3
    Aug 2019
    Cypress Texas
    Garrett Ace 400
    17 times
    Metal Detecting
    Thanks Cudamark for the clarification.



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