[meteorite-list] non-magnetic meteorites?

From: Thunder Stone <stanleygregr_at_meteoritecentral.com>
Date: Tue, 24 May 2011 09:43:40 -0700
Message-ID: <SNT117-W552AC5088F5AE59FFE9E37D2750_at_phx.gbl>

I have a relatively fresh R-chondrite and it has?absolutely?no magnetic attraction.
Really cool.
My favorite meteorites are meteorites that look and are nothing like a typical meteorite.

Greg S

----------------------------------------
> Date: Tue, 24 May 2011 12:32:52 -0400
> Subject: Re: [meteorite-list] non-magnetic meteorites?
> From: meteoritemike at gmail.com
> To: stanleygregr at hotmail.com
> CC: davidgunning at fairpoint.net; meteorite-list at meteoritecentral.com
>
> Hi Greg and List,
>
> Thanks for bringing up eucrites and howardites. :)
>
> A while back, I was cutting a howardite stone for a friend, and I
> noticed a big "ball bearing" metal inclusion. It was about 1cm in
> diameter and it was visible on the surface of the stone, poking
> through the crust. The majority of the stone showed almost no
> attraction at all to a magnet, but that "ball bearing" stuck firmly to
> the magnet.
>
> Pure basaltic eucrites typically show no attraction, but some
> brecciated eucrites do have free metal content. Camel Donga also
> comes to mind as a eucrite that shows a mild attraction to a magnet.
>
> I guess for those looking for a fool-proof magnetic litmus test to
> seperate the wrongs from the 'rites must always be on their toes -
> meteorites like to throw us curveballs to keep us honest. :)
>
> Best regards,
>
> MikeG
>
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>
> On 5/24/11, Thunder Stone wrote:
> >
> > David/List:
> > I believe the following meteorites can have no, or negligible magnetic
> > pull.RumurutiitesHowarditesEucrites - may have slight
> > pullDiogenitesLunarsAubrites
> > and perhaps Martian, but they may have a slight attraction
> > Sounds very interesting
> > Greg S
> >
> > ----------------------------------------
> >> Date: Tue, 24 May 2011 11:41:55 -0400
> >> From: davidgunning at fairpoint.net
> >> To: meteorite-list at meteoritecentral.com
> >> Subject: [meteorite-list] non-magnetic meteorites?
> >>
> >> Hi All,
> >>
> >> It's commonly understood that all meteorites are magnetic to varying
> >> degrees, or so I've read. I'm wondering if there are any exceptions to
> >> that iron clad rule of thumb?
> >>
> >> I've a non-magnetic mineral specimen with a black crust and what appear
> >> to be some sort of orientation striations.
> >>
> >> The specific gravity of this specimen is lower than the range of values
> >> usually associated with most meteorites.
> >>
> >> Prolly a meteorwrong, I realize, but causes me to pause and wonder if
> >> it's within the realm of remote possibility that there are such animals
> >> as non-magnetic meteorites?
> >>
> >> Thanks for your indulgence in helping diminish a wealth of personal
> >> ignorance in the somewhat occasional arcane field of meteorite
> >> identification.
> >>
> >> All good regards,
> >>
> >> David Gunning
> >>
> >>
> >>
> >>
> >>
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Received on Tue 24 May 2011 12:43:40 PM PDT