[meteorite-list] Adam's NWA 2989 Acapulcoite

From: Matt Morgan <mmorgan_at_meteoritecentral.com>
Date: Tue Feb 14 22:33:43 2006
Message-ID: <43F29FD4.8010501_at_mhmeteorites.com>

Thanks for posting Jim. This is sweet material folks and is probably the
best aca to come out of NWA, that I have seen. To plug 2871, I have a
few small pieces left under 10g for ~40/g. Thinly sliced and clearly
show the olivine and plagioclase crystals.
Matt Morgan

Jim Strope wrote:

> I got this slice in a trade from Blaine Reed under the NWA 2871 number
> which had a tkw of 3467grams. Blaine is not a list member. Sorry
> about the bad photos:
> http://www.catchafallingstar.com/nwa2871.htm
> Jim Strope
> 421 Fourth Street
> Glen Dale, WV 26038
> http://www.catchafallingstar.com
> ----- 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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Matt Morgan
Mile High Meteorites
P.O. Box 151293
Lakewood, CO 80215 USA
eBay user id: mhmeteorites
Received on Tue 14 Feb 2006 10:28:20 PM PST

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