Featured Rock ID help-please

Discussion in 'Antique Discussion' started by Boland, Jul 23, 2025.

  1. Boland

    Boland Well-Known Member

    IMG_7717.jpeg IMG_7718.jpeg IMG_7715.jpeg IMG_7721.jpeg IMG_7716.jpeg Hi all,is just raw magnetite? It has magnetic properties (when using a strong magnet) It’s not magnetised itself. It has these little gold coloured fine shimmering spots. Is that found in magnetite? I also considered Healers gold and hisingerite (that has maybe been heated) Maybe raw iron ore? (But it’s not strongly magnetic) Does the surface look fused? Could it be a meteorite? (but we’ve had a few wannabe meteorites on the forum :)) It’s fairly heavy for it’s size (about 4cm x 5cm) and dense/solid. I found it in between some other rocks on display in a charity shop. Thanks for any comments
     
    Last edited: Jul 23, 2025
  2. wlwhittier

    wlwhittier Well-Known Member

    In spite of the odds, I like the meteorite possibility.
    Nice find, Boland!
    There would be no harm in scrubbing it thoroughly with fine plastic bristles (toothbrush) in warm soapy water...it may then show details not now visible...or it may already be clean as the proverbial hound's tooth...but worth trying. Weigh it (gram scale) before scrubbing an' after it's completely dry, just for drill. Good luck!
     
  3. charlie cheswick

    charlie cheswick Well-Known Member

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  4. charlie cheswick

    charlie cheswick Well-Known Member

    think its something like brown :( grey :( nothing :woot:
     
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  5. 2manybooks

    2manybooks Well-Known Member

  6. Chinoiserie

    Chinoiserie Well-Known Member

    My thoughts too but I'm too slow. Possibly various different iron ores and salts including magnetite and pyrite. I can imagine them forming in the same place.

    Or chalcopyrite mixed in too. Apparently Magnetite, pyrite and chalcopyrite are found together.

    https://www.irocks.com/minerals/specimen/24736
     
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  7. komokwa

    komokwa The Truth is out there...!

    Looks like a rock to me....:confused::confused:
     
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  8. wlwhittier

    wlwhittier Well-Known Member

    Profound, Komo!
    I should write that down...
     
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  9. Hollyblue

    Hollyblue Well-Known Member

    This is the type of rock you would like to find,it's slightly larger than a hardball opal picture.jpg .....
     
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  10. charlie cheswick

    charlie cheswick Well-Known Member

    Boland, Figtree3, Any Jewelry and 2 others like this.
  11. Boland

    Boland Well-Known Member

    Thank you fellow members for the comments and suggestions. I did mail the Astronomical Society of Southern Africa (interest area: Comets, Asteroids, Meteors) and they suggested
    I contact a certain Dr. at the Department of Geological Sciences at University of Cape Town (for possible firsthand inspection if the Dr. is willing or interested I suppose) I really appreciated a reply from them (but they made no further comment so I think they were obviously not very impressed with my rock) But I also understand most experts want to see things in person.
     
    Last edited: Jul 27, 2025
  12. kentworld

    kentworld Well-Known Member

    Yeah, for something like meteorite, I would think hands on would be the only way someone would commit to an ID.
     
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  13. Boland

    Boland Well-Known Member

    Definitely agree. Still great of them to send me friendly response and
    give some advice (most of the time I get no reply)
     
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  14. georgeingraham

    georgeingraham Active Member

    When in doubt, you can do a simple in-home specific gravity test. Then search online for any number of specific gravities charts for known "earthly" minerals to compare your results too.

    Just looking at the pics, best guess is that it looks like copper ore. Take that with a grain of salt. :)

    You do not need two scales as shown in this video. You can use just one.

     
    Last edited: Jul 28, 2025
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  15. Boland

    Boland Well-Known Member

    Great.Thank you. Interesting short video to watch. Unfortunately I don’t have a fine digital scale. So not pure copper ore? So maybe copper ore with some other minerals? Because be rock is magnetic. I will also read more about copper ore :)
     
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