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Thread: Unknown metal, I need help guys and girls.

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  1. #1
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting

    Unknown metal, I need help guys and girls.

    A couple of years ago, I found this strange metal. The mass density is 14.0 it's slightly magnetic, I would be very happy for any replies. Thanks in advance.Click image for larger version. 

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  2. #2
    us
    Jan 2017
    Western ny
    Whites mx sport, Garrot carrot, bounty hunter time ranger
    1,393
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    All Types Of Treasure Hunting
    do you mean its slightly attracted to a magnet? or slightly magnetic as it attracts iron itself?

  3. #3
    Charter Member
    us
    "Is that a Geiger Counter?"

    Feb 2006
    South Central Upstate NY in the foothills of the headlands
    Minelab Musketeer Advantage Pro w/8" & 10" DD coils/Fisher F75se(Upgraded to LTD2) w/11" DD, 6.5" concentric & 9.5" NEL Sharpshooter DD coils/Sunray FX-1 Probe & F-Point/Black Widows/Rattler headphone
    8,884
    7670 times
    Metal Detecting
    I'm going to guess it is a piece of Nickel. I'm not sure what units you used for a mass/density ratio..

    Nickel is 8.90 g/cubic centimeter. It is also slightly magnetic (one of four pure metals that is).
    Last edited by Charlie P. (NY); Dec 07, 2017 at 02:27 PM.
    jan nielsen likes this.
    America was founded by tough hell-raisers. Rugged citizens who evaded taxes, spoke strongly against tyranny, grew tobacco, brewed beer, distilled spirits, and smuggled weapons. And it will be saved by those same types of citizens.

  4. #4
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting
    A magnet stick to the object, the object doesn't stick to metal, the calculation I have made is in metric numbers, I am confused because the weight of the metal is up there with precious metals.

  5. #5
    Educator

    Feb 2006
    Occupied CSA (Richmond VA)
    White's 6000, Nautilus DMC-1, Minelab
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    Relic Hunting
    I use "Specific Gravity" to identify (pure) metals, and some alloys. Specific gravity is an expression of a material's density compared with the density of water. For example, the Specific Gravity of civil war simple cast iron (sometimes called pig-iron) is 7.0 to 7.1 (note, there's nothing metric about that -- it simply means cast iron is about 7 times as dense as water). Here's a link to a good webpage about Specific Gravity, and it includes a list of the SG of various common metals.
    https://www.azahner.com/resources/metal-density

    For a longer list of various metals' Specific gravity, go here:
    http://www.isissteam.com/downloads/gravity-metals.pdf
    Because it gives the data in kilograms, you need to put a decimal after the number of thousands... such as, gold's SD is 1930 so it translates at 19.320 in the "simple" comparison of its density with water's density.
    "Let The Christ be a light to you in dark places, when all other lights go out."

  6. #6
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting
    Quote Originally Posted by TheCannonballGuy View Post
    I use "Specific Gravity" to identify (pure) metals, and some alloys. Specific gravity is an expression of a material's density compared with the density of water. For example, the Specific Gravity of civil war simple cast iron (sometimes called pig-iron) is 7.0 to 7.1 (note, there's nothing metric about that -- it simply means cast iron is about 7 times as dense as water). Here's a link to a good webpage about Specific Gravity, and it includes a list of the SG of various common metals.
    https://www.azahner.com/resources/metal-density

    For a longer list of various metals' Specific gravity, go here:
    http://www.isissteam.com/downloads/gravity-metals.pdf
    Because it gives the data in kilograms, you need to put a decimal after the number of thousands... such as, gold's SD is 1930 so it translates at 19.320 in the "simple" comparison of its density with water's density.
    The way I found the mass density, is by using the specific gravity method, I have not been able to find any metals as heavy as this, and that is slightly attracted to a magnet, it is not nickel it's way heavier than nickel.

  7. #7
    RTR
    RTR is offline
    us
    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Old cheap ones
    141
    163 times
    All Types Of Treasure Hunting
    Quote Originally Posted by jan nielsen View Post
    A couple of years ago, I found this strange metal. The mass density is 14.0 it's slightly magnetic, I would be very happy for any replies. Thanks in advance.Click image for larger version. 

Name:	IMG_20170218_004300.jpg 
Views:	35 
Size:	1.14 MB 
ID:	1523946Click image for larger version. 

Name:	IMG_20170218_003001.jpg 
Views:	50 
Size:	2.88 MB 
ID:	1523947Click image for larger version. 

Name:	IMG_20170218_003001.jpg 
Views:	50 
Size:	2.88 MB 
ID:	1523947Click image for larger version. 

Name:	IMG_20170218_003113.jpg 
Views:	37 
Size:	3.70 MB 
ID:	1523948
    Very interesting .All pieces have sharp angles(not weathered). Almost like they have been blown -up... Meteorite ?
    jan nielsen and Oddjob like this.

  8. #8
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting
    That was my initially thought, but what I can read on the internet says that most meteorites have a mass density of 7-8 and this metal is heavier than lead.

  9. #9
    RTR
    RTR is offline
    us
    Roger

    Nov 2017
    Smith Mt. Lake Va.
    Old cheap ones
    141
    163 times
    All Types Of Treasure Hunting
    Why is the (4) rocks in the center a duplicate shot ?

  10. #10
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting
    Yes something went wrong in the upload, there is two pieces of metal both with the same mass density found 20 meters from each other. The pieces looks like they fit together at some point in time.

  11. #11
    us
    Dec 2017
    SE Pennsylvania
    Garrett AT-Pro
    40
    37 times
    All Types Of Treasure Hunting
    meteorite, gallium? Good luck!
    jan nielsen likes this.

  12. #12
    us
    Oddball

    Jun 2017
    Bakersfield, CA
    Garrett Ace 250, White's 3900/D
    40
    56 times
    Metal Detecting
    Quote Originally Posted by Gavinsdiscoveries View Post
    meteorite, gallium? Good luck!
    Gallium melts at 85.57 degrees F so it would melt in your hand, unlike M&Ms.
    jan nielsen likes this.

  13. #13
    us
    Wood Worker

    Dec 2017
    Houston Texas
    CoinMasterGT
    10
    9 times
    All Types Of Treasure Hunting
    Hey, There is a way you can tell for sure, Grab some ferric Chloride from amazon, Sand one side of the mystery metal, and dip the metal in the ferric chloride, then look at the crystal pattern of the metal, should look something like this Name:  download.jpg
Views: 59
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    jan nielsen likes this.

  14. #14
    dk
    Jan

    Dec 2014
    Minelab 705
    225
    171 times
    Metal Detecting
    Quote Originally Posted by Dylan.W View Post
    Hey, There is a way you can tell for sure, Grab some ferric Chloride from amazon, Sand one side of the mystery metal, and dip the metal in the ferric chloride, then look at the crystal pattern of the metal, should look something like this Name:  download.jpg
Views: 59
Size:  9.9 KB
    Hey Dylan, do you mean if the pattern looks like yours it would be a meteorite?
    Lilly Knight likes this.

 

 

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