[meteorite-list] Adam's NWA 2989 Acapulcoite

From: Greg Hupe <gmhupe_at_meteoritecentral.com>
Date: Tue Feb 14 21:53:02 2006
Message-ID: <04b401c631da$ed9ae220$ae105c18_at_Gregor>

Hi Mark,

Thank you for the informative, well rounded and friendly email. Too bad some
of the others could not behave in such a positive manner regarding this
thread.

Best regards,
Greg

----- Original Message -----
From: "MARK BOSTICK" <thebigcollector_at_msn.com>
To: <meteorite-list_at_meteoritecentral.com>; <bernd.pauli@paulinet.de>
Sent: Tuesday, February 14, 2006 9:48 PM
Subject: Re: [meteorite-list] Adam's NWA 2989 Acapulcoite


> Hello list,
>
> To get back to the spirit of Bernd's e-mail.
>
> This NWA acapulcoite, a.k.a., NWA 2656, NWA 2714 and NWA 2989 (others?) is
> one of the better deals on the market right now. (And Blaine Reed I think
> has the best price). The meteorite is somewhat weathered and slices very
> in weathering, the darker....due to the high amount of metal, the more
> weathered portions. My slice, sold to me as NWA 2656, looks like Adam's
> NWA 2656...which is on the lower end of this meteorite's weathering...from
> the slices I have seen at least.
>
> In case you thinking, I know acapucolites are achondrites....but just what
> are these tourist city sounding meteorites really?
>
> Acapucolites are igneous rocks composed primarily of olivine, bronzite,
> and plagioclase and with nickel-iron as principal minerals. They also
> have accessory minerals of clinopyroxene, troilite, and schreibersite
> (among others).
>
> I bought a thin section of the acapulcoite NWA 1054 (paired?) in Tucson
> and was surprized at how small the mineral crystals are in acapulcoites
> when I got it under the scope at home. The matrix appears much finer then
> other achondrite's in my collection and predictably, the olivine and
> plagioclase light up nicely in crossed polars. I haven't figured out how
> to take thin section photos with my new camera but I will work on it and
> share some with the list if interested.
>
> Anyway, this meteorite classification type has been selling in the
> $200-$300 range until recently. If you don't have a piece....keep your
> eye open. Or give Adam or John and e-mail...or possibly Blaine a call.
>
> Clear Skies,
> Mark Bostick
> www.meteoritearticles.com
>
>
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Received on Tue 14 Feb 2006 09:52:57 PM PST


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