Hi M. Yousef, Rob and others, The photos look like pisolitic bauxite (an aluminum ore) to me. Check out some photos of this material on google or in geology texts and compare. My best, Thomas H. Webb
On Tue, 7 Jan 2003, M Yousef wrote: > > Hi Rob, Rand and ALL and thanks for your reply,,, > The little spheroids do not have any layers inside, when I break one of them > I get a reflecting crystalline surface, milky white to gray in > color(pyroxenes as I believe). In addition to that they are not affected at > all by a dilluted HCl. The rock itself contains very Iron since it can > deflect a magnetic needle. One of the spheroids is well over 1cm in > diameter, but most are in submillimeter scale. > > > > to Rand; > >Well, concerning the crystaline material, it may just be build-up of > >terrestrial mineral which has formed on the exterior of your specimem. I > >mean, in order for this meteorite to have suffered such extensive corosion, > >it must have been lying undisturbed for millinia...long enough for earthly > >mineral deposits to materialize. I doubt that you would find such material > >within the virgin matrix of your specimin. Rand Kluge. > > > Yes they are within the virgin matrix. > Look carefully in the second picture again please; > http://www.alifyaa.com/mf/cndrl > there is a white piece on the surface but it is the inside of the rock, but > it is a bit out of focus. I will add new photos again later. > > > > Sincerely > > Mohamed H. Yousef > ---------------------------------------------- > > > > > > >From: "Matson, Robert" <[EMAIL PROTECTED]> > >To: 'M Yousef' <[EMAIL PROTECTED]>, > >[EMAIL PROTECTED] > >Subject: Identity of white spheroids in rock > >Date: Mon, 6 Jan 2003 18:03:26 -0800 > > > >Hi Mohamed and Happy New Year, > > > >I just had a moment to check out your latest images. Good news: I can > >tell you what those little white spheroids are in your rock: oolites. > >I found one of these myself on a dry lake (pleistocene) and was quite > >intrigued. After much research, I discovered that I had an oolitic > >limestone. > > > >If you should cut one of these little white spheroids in half, you'll > >discover that it consists of dozens of concentric layers -- like > >an onion. > > > >Keep at it -- put enough hours in the field and you can't help but > >find a meteorite. > > > >Cheers, > >Rob > > > _________________________________________________________________ > Add photos to your e-mail with MSN 8. Get 2 months FREE*. > http://join.msn.com/?page=features/featuredemail > > > ______________________________________________ > Meteorite-list mailing list > [EMAIL PROTECTED] > http://www.pairlist.net/mailman/listinfo/meteorite-list > ______________________________________________ Meteorite-list mailing list [EMAIL PROTECTED] http://www.pairlist.net/mailman/listinfo/meteorite-list
