[meteorite-list] AD - Black Beauty

From: Mendy Ouzillou <ouzillou_at_meteoritecentral.com>
Date: Thu, 14 Feb 2013 07:34:00 -0800
Message-ID: <DC923870-A90B-46BE-9C92-59505A25BB7E_at_yahoo.com>

Carl,

I'm curious. Would cutting the stone in distilled water affect the oxygen isotope ratios? If I remember correctly that was one indicator that was used as proof of water on Mars.

Thank you!

Mendy

On Feb 13, 2013, at 11:37 PM, jason utas <jasonutas at gmail.com> wrote:

Hello Carl,
On the contrary, the only reason I included the statement regarding
ethylene glycol was because I was informed by a customer that at least
some of the material on the market had been cut with synthetic
lubricant. S/he made a point of purchasing specimens that had not
been 'messed with' after making inquiries.

And, yes, that statement applies. Perhaps not to the material from
the 320 gram stone, but the vast majority of the material I have seen
for sale has come from other sources.

I've only seen a few grams of slices from Mr. Piatek's stone, but it
does not surprise me that you would have curated it well.

Though I will say that it was a bit steep.

Regards,
Jason

On Tue, Feb 12, 2013 at 7:31 AM, Carl Agee <agee at unm.edu> wrote:
> Hi Jason,
>
> I looked at your link. I think you need to revise it since it contains
> false information about the cutting of Black Beauty (NWA 7034) -- at
> least if you are referring to the 320 g main mass that is at the IOM?
> The cutting was done with distilled water -- NOT ethylene glycol
> (antifreeze). Also, stating in your link that our samples were "messed
> with" seems to be a rather unusual way to describe cutting with a fine
> diamond wire.
>
> If you want to know anything specific about Black Beauty, I would be
> happy to talk to you about it and how to identify it in hand sample
> and nature of the reduced carbon -- my team has been studying this
> meteorite with numerous lab techniques since August 2011.
>
> PS: the Science Article print version will be on newsstands Feb. 15.
>
> Carl Agee
>
> --
> Carl B. Agee
> Director and Curator, Institute of Meteoritics
> Professor, Earth and Planetary Sciences
> MSC03 2050
> University of New Mexico
> Albuquerque NM 87131-1126
>
> Tel: (505) 750-7172
> Fax: (505) 277-3577
> Email: agee at unm.edu
> http://meteorite.unm.edu/people/carl_agee/
>
> On Tue, Feb 12, 2013 at 3:24 AM, jason utas <jasonutas at gmail.com> wrote:
>>
>> Hello All,
>> I just finished the page for some fragments of the unique water and
>> soil-bearing Martian regolith breccia paired with NWA 7034 and a few
>> other stones.
>> Please see our website for available specimens.
>>
>> http://www.fallsandfinds.com/page88.php
>>
>> Thanks!
>> Jason
>>
>> IMCA 7630
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>>
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Received on Thu 14 Feb 2013 10:34:00 AM PST


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