would oxaclic acid work like is does when removing red clay stains form quartz crystals?
--- On Sun, 11/2/08, tett <[EMAIL PROTECTED]> wrote: > From: tett <[EMAIL PROTECTED]> > Subject: Re: [meteorite-list] cleaning Millbillillie ? > To: "Alexander Seidel" <[EMAIL PROTECTED]>, > meteorite-list@meteoritecentral.com, [EMAIL PROTECTED] > Date: Sunday, November 2, 2008, 5:10 PM > I now have a much deeper appreciation for Millbillillie. > > I will not attempt cleaning and will reflect on the > "subtle" beauty these > meteorites have. > > Many Thanks! > > Mike > > > ----- Original Message ----- > From: "Alexander Seidel" <[EMAIL PROTECTED]> > To: "tett" <[EMAIL PROTECTED]>; > <meteorite-list@meteoritecentral.com>; > <[EMAIL PROTECTED]> > Sent: Sunday, November 02, 2008 11:24 AM > Subject: Re: [meteorite-list] cleaning Millbillillie ? > > > >> I agree that there is a special characteristic > that would be lost if the > >> red staining were to be removed from a > Millbillillie individual. > >> However, > >> it is also great to have meteorites pristine with > no terrestrial > >> alteration. > >> The priciest Millbillillies are those that with > dark black glassy crusts. > > > > No, a meteorite like Millbillillie should be looked at > in a much more > > subtle way! > > > > It fell in 1960, and was collected no earlier than 10 > years later! Talking > > about > > Millbillillie is exciting in many respects, as it e. > g. displays different > > textures on > > cut slices, but talking about exterior surface, I > would always prefer a > > piece with > > natural (laterite) patina over a piece which was > somehow "cleaned" (..if > > this were > > possible..) or has only got some more or less glossy > black crust alone > > rather than > > the brownish-reddish surface stains that are so very > *typical* for this > > meteorite, > > and are part of its "character", so to > say...! > > > > You are right insofar as, when we are talking about > may be fresh Eucrites > > or fresh > > Howardites, we are looking and longing for fresh > glossy black crust in the > > first place, > > as will be the case with e. g. the early collected > pieces of a historical > > fall like Stannern, > > or some rare other finds and falls, but things are a > quite a bit different > > with a fall like > > Millbillillie, even if it occured as late as 1960, > considered a "fresh" > > fall.... > > > > Well, nothing but my two (Euro-)Cents, > > Alex > > Berlin/Germany > > > > > > > > ______________________________________________ > http://www.meteoritecentral.com > Meteorite-list mailing list > Meteorite-list@meteoritecentral.com > http://six.pairlist.net/mailman/listinfo/meteorite-list ______________________________________________ http://www.meteoritecentral.com Meteorite-list mailing list Meteorite-list@meteoritecentral.com http://six.pairlist.net/mailman/listinfo/meteorite-list
