[meteorite-list] Adam's NWA 2989 Acapulcoite

From: M come Meteorite Meteorites <mcomemeteorite2004_at_meteoritecentral.com>
Date: Wed Feb 15 01:47:03 2006
Message-ID: <20060215064658.63248.qmail_at_web26201.mail.ukl.yahoo.com>

--- MARK BOSTICK <thebigcollector_at_msn.com> ha scritto:



>
> 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.


NWA 1054 its paired to NWA 1052

http://www.lpi.usra.edu/meetings/lpsc2005/pdf/1808.pdf

but the strange is in the NWA 1052 we not have found
Melliniite, in the NWA 1054 yes....

http://www.mindat.org/locentry-358432.html

here a photo of a NWA 1054 thin section

http://www.meteorite-lab.com/thinsection/NWA1054_cp_acap3.jpg

Matteo


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Received on Wed 15 Feb 2006 01:46:58 AM PST