[meteorite-list] Why are Esquel slices Transparent Blue?
From: M come Meteorite Meteorites <mcomemeteorite2004_at_meteoritecentral.com>
Date: Thu Feb 16 06:47:30 2006 Message-ID: <20060216113540.63117.qmail_at_web26204.mail.ukl.yahoo.com> 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 > > > > > > > > > > > >______________________________________________ > > >Meteorite-list mailing list > > >Meteorite-list_at_meteoritecentral.com > > > >http://six.pairlist.net/mailman/listinfo/meteorite-list > > > > > > > > ______________________________________________ > Meteorite-list mailing list > Meteorite-list_at_meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list > M come Meteorite - Matteo Chinellato Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY Email: mcomemeteorite2004_at_yahoo.it Sale Site: http://www.mcomemeteorite.it Collection Site: http://www.mcomemeteorite.info MSN Messanger: spacerocks at hotmail.com EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/ ___________________________________ Yahoo! Mail: gratis 1GB per i messaggi e allegati da 10MB http://mail.yahoo.it Received on Thu 16 Feb 2006 06:35:39 AM PST |
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