[meteorite-list] Mystery Achondrite Found in Amgala Batch

From: joseph_town_at_att.net <joseph_town_at_meteoritecentral.com>
Date: Thu Apr 22 10:32:54 2004
Message-ID: <032520042027.16982.906_at_att.net>

We all hope it's lunar. Seemed like a vested AD to hustle Amgala to me.



> Hi Tracy and List,
>
> A few things lead me to believe it might be lunar. First there is
> absolutely no hint of being attracted to even the most powerful magnet.
> Second the crust is not black because there is no iron in the matrix to
> darken it during ablation. The color is translucent caramel with a hint of
> green. The crust is smooth and very shiny not flat black like most fresh
> chondrites. There are vesiclulated melt pockets visible through the very
> thin crust just like NWA 482. The matrix is chalk white just like
> anorthosite with heavily shocked areas. The matrix is composed of fine
> grained crushed crystals meaning it could not possible be a Diogenite which
> display large crystals. Only a laboratory can tell for sure. If it is pure
> anorthosite I am betting it is lunar.
>
> Kind Regards,
>
> Adam
>
>
>
>
> ----- Original Message -----
> From: "tracy latimer" <daistiho_at_hotmail.com>
> To: <adamhupe_at_comcast.net>; <meteorite-list@meteoritecentral.com>
> Sent: Thursday, March 25, 2004 10:08 AM
> Subject: RE: [meteorite-list] Mystery Achondrite Found in Amgala Batch
>
>
> > Congratulations on your possible lunar! For those of us who have never
> > owned a piece of lunar larger than a crumb, what distinguishing visual
> > characteristics make it different from, say, a piece of Bensour (which, at
> > first glance, your new rock resembles.) They're both largely a nice
> glowing
> > white, from what I can see, with or without dark shock veins.
> >
> > Tracy Latimer
> >
> >
> > >After going through our last batch of completely crusted Amgala chondrite
> > >specimens we came across this achondrite. I guess it pays to use a
> magnet
> > >and a microscope to look at each and every specimen. After a magnet was
> > >not
> > >the least bit attracted to this stone we examined it under a microscope
> and
> > >saw a thin translucent caramel colored crust with contraction cracks. We
> > >ground a small edge and were shocked by what we saw next. It looks
> almost
> > >like NWA 482 but brighter with what appears to be a pure white
> anorthosite
> > >matrix. This possible lunar is absolutely gorgeous and fresh! Now we
> know
> > >what Robert Haag must of felt like when he ground a corner off of
> Calcalong
> > >Creek. It will now be a game of hurry up and wait for lab results.
> > <snip>
> > >
> > >Adam and Greg Hupe
> >
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Received on Thu 25 Mar 2004 03:27:17 PM PST