[meteorite-list] Wierd Meteorite Wrong Question?

From: Randy Korotev <korotev_at_meteoritecentral.com>
Date: Mon, 06 Apr 2009 13:20:23 -0500
Message-ID: <200904061818.n36IInO21799_at_levee.wustl.edu>

Adam:

It has some resemblance to a hematite concretion:

http://meteorites.wustl.edu/id/concretions.htm

The color is right, but the texture is not.

Do a streak test:

http://meteorites.wustl.edu/id/streak.htm

Randy



At 12:14 06-04-09 Monday, you wrote:

>Dear List Members,
>
>We went on a Mojave Desert hunt this weekend where I found this
>weird stone. My questions is, does anybody have a clue to what type
>of rock this may be?
>
>The reason I am asking the list is that several hunters have
>thousands of hours in the Mojave whereas I only have a couple of
>hundred and they may have seen something like it before. It is very
>dense, has surface contraction cracks and is not attracted to a
>powerful magnet at all. It does look like a crust but not like
>anything I have ever seen before. I have never observed a gray
>crust on a meteorite is what is convincing me that it is
>terrestrial. I have never seen surface contraction cracks on a
>terrestrial rock that did not penetrate the whole stone. We must
>have hiked 20 miles and I did not come across anything similar.
>
>We thought it was a meteorite when we first saw it in situ but now
>are not convinced. I do not want to cut it if it is not a meteorite
>because it would be one of the best wrongs I have ever seen. On the
>other hand, if there is any chance whatsoever that it could be the
>first North American Lunar, I would cut it in a heartbeat. Maybe, I
>am just dreaming but I am convinced that within the next 10 years,
>some lucky hunter will find one.
>
>Images of the stone:
>
>Image 1
>http://themeteoritesite.com/Achondrite-1.jpg
>
>Image 2
>http://themeteoritesite.com/Achondrite-2.jpg
>
>Any input would be greatly appreciated.
>
>Best Regards,
>
>Adam
>
>
>
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Received on Mon 06 Apr 2009 02:20:23 PM PDT