[meteorite-list] Pyroxene Crystals in Mike's Patagonian Iron
From: Fred Caillou Noir <fred_at_meteoritecentral.com>
Date: Sat Oct 28 04:14:57 2006 Message-ID: <010101c6fa69$1b294f40$0400a8c0_at_IBM> I agree, they are absolutely "BREATHTAKING"! Congratulations, it is a marvelous meteorite. Cheers, Frederic ----- Original Message ----- From: <bernd.pauli_at_paulinet.de> To: <Meteorite-list_at_meteoritecentral.com> Sent: Friday, October 27, 2006 9:17 PM Subject: [meteorite-list] Pyroxene Crystals in Mike's Patagonian Iron > Mike Farmer wrote: > > Take a look at this, I got a box full of slices today, and they are simply breathtaking! > Marlin Cilz told me he has not cut a more beautful iron. What do the list members think > the large emerald green crystals are? Pyroxene? Every slice seems to have one or two of > them. The silicated and etch pattern in the silicated area reminds me a lot of Steinbach. > > http://meteoriteguy.com/collection/Patagoniairon.htm > > Beautiful crystals, they are! Yes, I think they are pyroxene crystals (augite), probably > diopside [CaMgSi2O6]. Diopside has been found in these irons: Caddo County, Four Corners, > Ocotillo, and Udei Station. The most interesting of these with regard to Mike's iron is > probably Four Corners because of its polycrystallinity, its silicate-graphite inclusions, > its Neumann bands. Four Corners is anomalous and Mike's iron will surely be classified > as an anomalous iron, too! > > Congratulations! > > Bernd > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list Received on Sat 28 Oct 2006 04:14:33 AM PDT |
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