--- MARK BOSTICK <[EMAIL PROTECTED]> 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


M come Meteorite - Matteo Chinellato
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