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Re: Allende Info needed
Probably what you see is troilite, FeS, iron pyrrhite, "fool's gold".
It goes by all these names.
This is a common mineral in most meteorites.
Even more interesting are the white splash-like parts - called CAIs -
Calcium-, Aluminum-rich Intrusions, mostly CaO and Al2O3 (sorry
no subscripts in ascii), SiO2 and MgO.
Allende also might contain interstellar dust, but you would probably
need an electron microscope to see it.
This sounds a bit like a science project or homework, the fun is in
the finding out for oneself. Allende is probably one of the most
studied, accessible meteorites, and just about every meteorite book
will have something to say about it.
"Rocks from Space", by Norton has a good description of the fall and
ample information about the meteorite.
Sirius8777@aol.com (Sirius8777@aol.com) wrote on 1998-May-31:
>Recently I got a nice allende specimein which i find to be facinating. One
>inclusion is particularly interesting, It is a small inclusion about a
>millimeter in size and has a metallic bronze/gold/brass color to it. I would
>like to know what this inclusion is. Also i need a long (VERY informative)
>sheet on allende and (CV3)'s as a topic, including info on makeup, inclusions,
>falls of this catagory,exct......... Please email this info to me at
>Sirius8777@aol.com
>Also would anyone be interested in trading for a 57g fragment with some fusion
>crust, something interesting needed for my humble collection?
>Regards,
>Ryan Keelan
--
Jim Hurley
Arachnaut's Lair
http://www.arachnaut.org/ >
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