??? Brittle, gray & as heavy as gold
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Thread: ??? Brittle, gray & as heavy as gold

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  1. #1

    Jun 2012
    Cackalacky
    arrr, just need me nose
    239
    98 times
    Prospecting

    ??? Brittle, gray & as heavy as gold

    Can anyone help ID?

    I deal with some extremely fine annoying "gray sands" that make my gold difficult to clean - have speculated (ok guessed) it is platinum or palladium from catalytic converters.

    Observations: Definitely not hematite - acts more like gold than lead shot - less plentiful than both gold and lead shot - acts like gold walking across the pan as I tap it, but so much finer that I can't really compare the two until now...

    This is the first time I've have a piece large enough to actually play with - it acted identical to gold of the same size, but when I pressed it with a fingernail it crumbled. Way too easily...

    For the remnant see the the center of the first pic - it was initially twice as long. Note that it walked along like gold just as the bigger piece did.

    2nd pic shows how fine the gold is and how much finer the dust is. (Cleaning is a snuffer bottle game....)

    Location: Neighborhood creek in Charlotte, near a busy street

    Click image for larger version. 

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  2. #2
    Charter Member
    us
    papa

    Feb 2017
    Georgetown, SC
    Fisher F75
    5,668
    10593 times
    Metal Detecting
    So annoying. Platinum in my pan at $929/oz and that so very irritating Palladium, dismissed at $1771. Good luck with your mystery.
    Fat and Toecutter like this.


    "And so the population was gradually led into the demoralising temptations of arcades, baths, and sumptuous banquets. The unsuspecting Britons spoke of such novelties as 'civilisation', when in fact they were only a feature of their enslavement." Tacitus, Roman Senator and Historian, written AD 98.

    The Bald Eagle photo...he/she posed for me, gave me it's best American look. I felt privileged to get the shot.

  3. #3
    Charter Member
    us
    Nov 2010
    The Great Southwest
    3,927
    11669 times
    Prospecting
    Platinum group metals are not brittle and they are very rare in nugget form.

    My first thought when I read your description was arsenopyrite. It common to find it associated with gold and it's heavy, gray and brittle.

    Try a streak test. Arsenopyrite will streak gray/black.

    Heavy Pans

  4. #4

    Jun 2012
    Cackalacky
    arrr, just need me nose
    239
    98 times
    Prospecting
    Quote Originally Posted by Kray Gelder View Post
    So annoying. Platinum in my pan at $929/oz and that so very irritating Palladium, dismissed at $1771. Good luck with your mystery.
    There ain't much lol - if it was all palladium, I might have 42 cents worth.
    Kray Gelder likes this.

  5. #5
    us
    Mar 2018
    Near Baltimore
    Falcon MD20
    134
    137 times
    Prospecting
    Quote Originally Posted by Clay Diggins View Post
    Platinum group metals are not brittle and they are very rare in nugget
    Ruthenium is vanishingly scarce as nuggets but is brittle, I believe.

  6. #6
    us
    George

    Jun 2019
    Ak,Tn
    Minelab, Fisher
    378
    727 times
    Prospecting
    Galena......
    Clay Diggins likes this.

  7. #7
    us
    Apr 2015
    Oshkosh, WI
    1,055
    1600 times
    All Types Of Treasure Hunting
    Too dark for reidite. (compressed zircon, SG 7)

  8. #8
    us
    Randy

    Feb 2015
    Fullerton CA
    Minelab CTX 3030 AT Pro
    5,097
    7808 times
    All Types Of Treasure Hunting
    You guys are above my pay grade. All I hear is Lala lala lala
    Anything That Comes Out of The Dirt Is Awesome!

    Best find 1941 Patek Philippe 2 register flat pusher Chronograph Bought 1,000 Sold 62,000 !!
    First Year 911 Porsche Purchased 36K SOLD 140K!!! Whoo Hoo

  9. #9
    us
    Jan 2013
    high desert goldfields
    gold master V-sat
    277
    241 times
    All Types Of Treasure Hunting
    heavy, gray and brittle. possible gold amalgam

    i have found gold amalgam many times in streams below old stamp mills in calif.

    others have thrown the gray metal away thinking it was not gold. being a mill man i retorted it and found it was gold.

    hit it with nitric acid and if you get a gold or brown powder it maybe gold.

    super fine gold powder is brown.

  10. #10
    us
    Jan 2016
    South of Gunnison, Gold Basin
    F2
    2,141
    2567 times
    Prospecting
    Silver

  11. #11
    us
    Rock stacker

    Dec 2013
    Arcata, California
    Fisher 1212-x Fisher Gold Bug 2 Whites 4900/SP3 Dowsing rods
    959
    1216 times
    Prospecting
    Codys Lab on Youtube made a video where he prospected platinum from the side of a highway.

 

 

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