[meteorite-list] Ultraviolet Space Rocks?

From: gian gallo <gianpgg_at_meteoritecentral.com>
Date: Sat, 2 Oct 2010 15:24:42 +0000
Message-ID: <SNT141-w41CDE9D2C671322B9D1F6ABE6A0_at_phx.gbl>

Hola to all. We have a slice of the SaH 02500 meteorite, that under ultraviolet light ( LW ) shows this fluorescent crystals :
 
Under flahs camera light :
 

http://inlinethumb30.webshots.com/43549/2460945940100862759S600x600Q85.jpg
 
 
Under UV LW light :
 
http://inlinethumb32.webshots.com/45855/2796464060100862759S600x600Q85.jpg
 
 
Hasta la vista,
 
larense
---------------------------------------------------------------------------------------------------------------------------




> From: altmann at meteorite-martin.de
> To: meteorite-list at meteoritecentral.com
> Date: Sat, 2 Oct 2010 13:32:56 +0200
> Subject: Re: [meteorite-list] Ultraviolet Space Rocks?
>
> Hi,
>
> we had last year some fun with Robert Fuchs, a collector of UV-minerals and
> meteorites,
> who has always a cabinet with fluorescent minerals at the Munich show,
> to check some meteorites.
>
> Pena Blanca Spring, another aubrite, displayed also a very few large
> fluorescent crystals.
>
> Best,
> Martin
>
>
>
> -----Urspr?ngliche Nachricht-----
> Von: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com] Im Auftrag von
> almitt2 at localnet.com
> Gesendet: Samstag, 2. Oktober 2010 12:36
> An: davidgunning at fairpoint.net
> Cc: meteorite-list at meteoritecentral.com
> Betreff: Re: [meteorite-list] Ultraviolet Space Rocks?
>
> Hi David and all,
>
> I'm not a geologist but I suspect that when the thinsections are made
> and polarized light is used to reveal the various colors (mineral make
> up) of the meteorite that this is in effect about the same thing as
> using fluorescent lighting. They also use quite an array of other
> systems to breakdown the meteorite into parts that are quite small and
> tells them chemical makeup. This is part of telling them what it is and
> if it is unique plus scores of other things like weathering, age and so
> forth.
>
> I'll let others chime in about this as I may be missing something and
> am talking over my head here. All my best!
>
> --AL Mitterling
>
> Quoting David Gunning <davidgunning at fairpoint.net>:
>
> >
> > Hi All,
> >
> > I notice that the "Rocks from Space Picture of the Day", dated about a
> > year ago, September 29, 2009, features an unusually remarkable glowing
> > fluorescent meteorite. It's described as "an 11.1 g piece of Norton
> > County (ASU#523)" where "The large enstatite crystals fluoresce bright
> > yellow." Quite an eyeful.
> >
> > This is an oddball meteorite, I'm guessing, as I haven't seen pictures of
> > any other meteorites displaying fluorescent color values. Does this bode
> > well for other fluorescent meteorites being found? I mean, are the
> > scientists really looking and checking for fluorescent color values in
> > meteorites on a systematic basis?
> >
> > If not, they may be missing the boat.
> >
> > If you look closely at this picture you may be able to detect, as I do,
> > that there apparently are other possible fluorescent color values
> > happening, as well. I am referring to the noticable blue/green colored
> > fluoresent values below and to the right of the yellow colored enstatite
> > and to the upper left of the enstatite area, also.
> >
> > To my understanding, these may indicate additional minerals with other
> > fluorescent color values reacting to utlraviolet light, too.
> >
> > It's unfortunate that the person who took this picture did not take the
> > time and spend the effort to look carefully at their resulting picture.
> >
> > I wonder what wavelength ultraviolet was used, although I guess it was
> > probably shortwave. If so, they may not have exposed the specimen to
> > midwave and longwave ultraviolet wavelengths, as well, consequently
> > denying themselves (and the rest of us!) valuable ultraviolet reactive
> > fluorescent color value information.
> >
> > Is this simply a situation of sloppy science rearing it's ugly head?
> >
> > Or does it indicate that ignorance is truly bliss, after all?
> >
> > Yours for the light,
> >
> > Dave Gunning
> >
> >
> >
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Received on Sat 02 Oct 2010 11:24:42 AM PDT