There is now a page online with photos, Bernd's comments and links to the larger photos. The URL is;
http://www.meteorite-dealers.com/nwa3159eucrite-bernd.html Gary > > On 13 Jan 2007 at 13:59, [EMAIL PROTECTED] wrote: > > > Hello Greg, List, and Eucrite Buffs, > > > > I recently bought Greg's last piece of NWA 3159, a 10.7-gram individual. > > This is no.3 in my collection because there are already two breathtaking > > cut slices clearly showing the two distinct lithologies: > > > > 1. the black, shock-melted, vesicular areas > > 2. the "normal" brecciated eucritic areas > > > > I was wondering if I could also find the vesicular texture in an individual, > > and, I did find such areas. But, then, I held my breath when I also spotted > > a beautiful crystal aggregate of...maybe olivine or pyroxene under my micro- > > scope at 16x and 32x magnification! > > > > Yes, I know that olivine is not usually found in eucrites but it has been > > found in small amounts in NWA 011, in Macibini, in NWA 049, in NWA 1000, > > etc. > > > > I would like to invite those who have acquired such individuals from Greg > > and > > who can examine their pieces under high(er) magnifications to closely > > examine > > their specimens and maybe find such crystalline aggregates. Any input would > > be greatly appreciated! > > > > Mount Tazerzait and Baszkówka have taught us that such crystals can survive > > the > > meteorite's fiery descent through our atmosphere (if properly shielded). But > > these crystals in my NWA 3159 individual are not really within the > > meteorite's > > interior matrix but protrude from one of its vesicular cavities, in other > > words, > > they may have been exposed to the atmospheric forces *IF* they should be > > pre- > > terrestrial. > > > > Would do you think? Terrestrial or pre-terrestrial (= meteoritic)? And what > > are they? > > Quartz, pyroxene, olivine??? I will ask Jeff Kuyken, Mark Bostick, or Gary > > (or, maybe, > > all of them ;-) to host the pictures I've taken so you can see what I am > > talking about. > > > > Best eucritic and > > crystalline wishes, > > > > Bernd > > > > ______________________________________________ > > Meteorite-list mailing list > > [email protected] > > http://six.pairlist.net/mailman/listinfo/meteorite-list > > > > ______________________________________________ Meteorite-list mailing list [email protected] http://six.pairlist.net/mailman/listinfo/meteorite-list
