[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 > > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Tue 14 Feb 2006 09:52:57 PM PST |
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