[meteorite-list] Ultraviolet Space Rocks?

From: MEM <mstreman53_at_meteoritecentral.com>
Date: Sat, 2 Oct 2010 16:14:33 -0700 (PDT)
Message-ID: <992208.57372.qm_at_web55202.mail.re4.yahoo.com>

Off the cuff what jumps to mind is diopside. It is known in meteorites and it
is commonly UV reactive..How-some-ever it is yellow in longwave and only blue in
shortwave.

 I think augite is a longwave yellow fluorescent as well

I'll have to read up on that whole Si2 O6 solid solution series. All those
pyroxenes are known from meteorites. Many do fluoresce in earth rocks.

Yes I scan all my meteorites for fluorescent flashes.

Elton





----- Original Message ----
> From: gian gallo <gianpgg at hotmail.com>
> To: Martin A <altmann at meteorite-martin.de>; Met- List
><meteorite-list at meteoritecentral.com>
> Sent: Sat, October 2, 2010 11:24:42 AM
> Subject: Re: [meteorite-list] Ultraviolet Space Rocks?
>
>
> 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 07:14:33 PM PDT