[meteorite-list] Why are Esquel slices Transparent Blue?

M come Meteorite Meteorites mcomemeteorite2004 at yahoo.it
Thu Feb 16 06:35:39 EST 2006


I have just received 3 fantastic seymchan slices over
150 grams with olivines, later I photograph and I put
in my site...

Matteo

--- "Gary K. Foote" <gary at webbers.com> ha scritto: 

> That is one beautiful slice of Brahin.
> 
> Gary
> 
> On 15 Feb 2006 at 19:24, JKGwilliam wrote:
> 
> > If you take the same picture in a studio
> environment ( with correct 
> > temperature lighting)  with a white diffuser above
> the pallasite slice, the 
> > reflective surface appears white or light grey. 
> Now we all know that 
> > polished iron isn't white, but it is more
> acceptable to the human eye that 
> > a reflected blue sky.
> > Take a look at this slice of Brahin
> > http://www.meteoriteimpact.com/brahin2.htm
> > Best,
> > 
> > John Gwilliam
> > 
> > 
> > At 06:30 PM 2/15/2006, Gary K. Foote wrote:
> > >Thank you Ron,
> > >
> > >It didn't make sense to me, but every sample I
> saw photographed was the 
> > >same blue matrix
> > >color.  Of _course_ one would hold it to the sun
> to show off the olivines 
> > >and pyroxenes,
> > >thus reflecting the back sky in the iron.
> > >
> > >Doh!
> > >
> > >Gary
> > >
> > >On 15 Feb 2006 at 17:17, Ron Baalke wrote:
> > >
> > > > >
> > > > > 
> > >
>
http://www.arizonaskiesmeteorites.com/AZ_Skies_Links/Stony_Irons/index.html
> > > > >
> > > >
> > > > I thought you were referring to the color of
> the olivine crystals, but the
> > > > crystals in this photo are the typical
> red/orange color you'd expect 
> > > for any
> > > > pallasite.  The blue color is being reflected
> by the polished metal 
> > > portion
> > > > of the pallasite, and the source of the blue
> color could be something as
> > > > simple as the sky, or a blue wall in the room.
>  The meteorite itself
> > > > it not blue.
> > > >
> > > > Ron Baalke
> > > > ______________________________________________
> > > > Meteorite-list mailing list
> > > > Meteorite-list at meteoritecentral.com
> > > >
>
http://six.pairlist.net/mailman/listinfo/meteorite-list
> > >
> > >
> > >
> > >______________________________________________
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> > >Meteorite-list at meteoritecentral.com
> >
>
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> > 
> > 
> 
> 
> 
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M come Meteorite - Matteo Chinellato
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