Gary: That is really interesting. It has always amazed me how different some minerals appear (luster and crystal form) in space rocks. Not to mention minerals not even found in terrestrial rocks. That is one reason I enjoy this hobby so much.
Congratulations on your specimen. Greg S. ---------------------------------------- > From: fuj...@mac.com > To: meteorite-list@meteoritecentral.com > Date: Fri, 14 Aug 2009 04:59:40 -1000 > Subject: [meteorite-list] uRaman data on submitted NWA achondrite > > Aloha, > > I received preliminary analysis results from Drs Jeff Taylor and Gary > Huss of the University of Hawaii HIGP, of a submitted NWA achondrite > that I suspected could be a lodranite. Dr Taylor used the institute's > uRaman spectrometer to obtain spectra of the iridescent mineral, and > much to everyone's surprise, it turns out to be Augite, not > orthopyroxene, and certainly not plagioclase. Taylor states the main > phase appears to be olivine, which would make the specimen more likely > to be a brachinite. The next step is analysis in a low-pressure SEM > next week, to check phase compositions, verification of high Ca > content in the augite, and Fe/Mg in the phases. > > Sample spectral data can be seen here: http://astroday.net/meteorites.html > > Gary Fujihara > AstroDay Institute > 105 Puhili Place, Hilo, HI 96720 > (808) 640-9161, fuj...@mac.com > http://astroday.net > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list@meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list _________________________________________________________________ Get back to school stuff for them and cashback for you. http://www.bing.com/cashback?form=MSHYCB&publ=WLHMTAG&crea=TEXT_MSHYCB_BackToSchool_Cashback_BTSCashback_1x1 ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
