Meteorite or not?
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Thread: Meteorite or not?

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  1. #1

    Aug 2015
    3
    1 times
    All Types Of Treasure Hunting

    Meteorite or not?

    Hi everyone!
    Found this in ground (about 15 cm depth). It is magnetic, and rather heavy (145 grams). The size is 56mm*46mm*20mm. Also, my detector shows that it is non ferrous metal.
    What do you think, could be a meteorite?

    Thanks!
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  2. #2

    Aug 2015
    3
    All Types Of Treasure Hunting
    From your measurements I'm getting 145g/51.52cm3 = 2.81 g/cm3. Could you maybe get a better volume measurement using water and a graduated cylinder?
    Here is a link to average meteorite densities.dens
    ity & specific gravity of meteorites
    Last edited by josmcclellan; Aug 10, 2015 at 03:32 PM. Reason: Sorry rusty math

  3. #3

    Aug 2015
    3
    1 times
    All Types Of Treasure Hunting
    Quote Originally Posted by josmcclellan View Post
    From your measurements I'm getting 145g/51.52cm3 = 2.81 g/cm3. Could you maybe get a better volume measurement using water and a graduated cylinder?
    Here is a link to average meteorite densities.dens
    ity & specific gravity of meteorites
    Thanks for your answer. I've made measurements with water and got 145g/33,5cm3 = 4,33 g/cm3. It means that it could be a stony-iron meteorite. Maybe there is some other way to identify is this a meteorite or not? Because I'm having some uncertainties about meteorite/ore origin of this thing. Thanks!

  4. #4

    Feb 2006
    1,269
    1199 times
    You have a common basalt type lava.

    Please buy a copy of "Rocks From Space". It will
    make things easier.

  5. #5
    us
    Gold digger

    Jul 2008
    Jupiter, FL
    Fisher CZ 20
    40
    21 times
    Beach and Shallow Water Hunting
    It would also make things easier if you had included the author of the book you're referring to, as there are 27 of them in my library system with that title.

  6. #6

    Feb 2006
    1,269
    1199 times
    That would be the book by Richard Norton. It has been mentioned in the Meteorite section of the forum many times. However, since there are 27 by that title in your local library system, I would suggest you read all that may pertain to meteorites. After all, knowledge is power.

  7. #7
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell, AZ
    Ace 250 (2), Gold Bug 2, Tesoro Cortes, Garrett Sea Hunter, Whites TDI SL SE, Fisher Impulse 8, Minelab Monster 1000, Falcon MD20, Garrett pinpointer, Calvin Bunker digger.
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    Might I just say that "ferrous" and "magnetic" are pretty much the same thing, meaning, if it is magnetic, it has a definite amount of iron. Magnetic=ferrous. Your detector is not lying. They are incapable of lying. It is just "guessing" based on the criteria presented. You may assume that ANY magnetic rock has a certain amount of iron. TTC
    WARNING: TerryC has so much TOXIC MASCULINITY that he is known to cause cancer in California.

  8. #8
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell, AZ
    Ace 250 (2), Gold Bug 2, Tesoro Cortes, Garrett Sea Hunter, Whites TDI SL SE, Fisher Impulse 8, Minelab Monster 1000, Falcon MD20, Garrett pinpointer, Calvin Bunker digger.
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    Quote Originally Posted by endrust View Post
    Thanks for your answer. I've made measurements with water and got 145g/33,5cm3 = 4,33 g/cm3. It means that it could be a stony-iron meteorite. Maybe there is some other way to identify is this a meteorite or not? Because I'm having some uncertainties about meteorite/ore origin of this thing. Thanks!
    As an avid meteorite collector, you need to purchase O Norton's Field Guide to Meteors and Meteorites. On pages 251 and 251 he gives two ways to test for nickel in your rock. Iron/nickel in rocks is so rare that it is the definitive test for meteorites. TTC
    WARNING: TerryC has so much TOXIC MASCULINITY that he is known to cause cancer in California.

  9. #9
    Charter Member
    us
    Come out from under your bed today...... DO SOMETHING!

    Jun 2008
    Yarnell, AZ
    Ace 250 (2), Gold Bug 2, Tesoro Cortes, Garrett Sea Hunter, Whites TDI SL SE, Fisher Impulse 8, Minelab Monster 1000, Falcon MD20, Garrett pinpointer, Calvin Bunker digger.
    6,785
    7629 times
    Metal Detecting
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    Quote Originally Posted by galenrog View Post
    That would be the book by Richard Norton. It has been mentioned in the Meteorite section of the forum many times. However, since there are 27 by that title in your local library system, I would suggest you read all that may pertain to meteorites. After all, knowledge is power.
    O Richard Norton. Rocks From Space. Has a fiery rock on the cover. A classic. TTC
    WARNING: TerryC has so much TOXIC MASCULINITY that he is known to cause cancer in California.

  10. #10

    Aug 2015
    3
    1 times
    All Types Of Treasure Hunting
    Thanks everybody for advices! Will try to do the nickel test, or maybe find a local laboratory.
    TerryC likes this.

  11. #11

    May 2013
    36
    18 times
    My 2c - I also think it's lava - it looks as if it was the top of a bubble in the lava given the concave and convex surface on each side, and the breakage looks basalt'y' to me. Crack age on the surface also looks like cooling lava from an expanding bubble

  12. #12
    717
    717 is offline

    Aug 2019
    Utah
    27
    26 times
    All Types Of Treasure Hunting
    Cool find
    A2coins likes this.

  13. #13
    Charter Member
    us
    Jul 2011
    Gold canyon AZ
    961
    1430 times
    Cache Hunting
    Looks like a lava bomb to me, notice the convex side and the concave side, still, it is a great specimen.
    A2coins likes this.
    time for another drink

  14. #14
    Charter Member
    us
    Tommy

    Dec 2015
    Ann Arbor
    Equinox 800
    24,090
    30823 times
    All Types Of Treasure Hunting
    Honorable Mentions (2)
    Good find Mother Nature is very crafty
    alan m likes this.

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