[meteorite-list] AD: Special: Truly baffling & sensational Howardite - NWA 6709 - absolutely stunning and very fresh.

From: Aubrey Whymark <tinbider_at_meteoritecentral.com>
Date: Thu, 21 Jul 2011 09:13:44 +0100 (BST)
Message-ID: <1311236024.20912.YahooMailClassic_at_web28510.mail.ukl.yahoo.com>

Hi

The rainbow colour looks like oil to me. Maybe someone has used oil or WD40 to clean it. I sometimes encounter 'rainbow' tektites and the guys want extra because of it - in reality it is due to oil contamination, probably from the mining operations.

Regards, Aubrey
www.tektites.co.uk



--- On Thu, 21/7/11, Martin Altmann <altmann at meteorite-martin.de> wrote:

> From: Martin Altmann <altmann at meteorite-martin.de>
> Subject: Re: [meteorite-list] AD: Special: Truly baffling & sensational Howardite - NWA 6709 - absolutely stunning and very fresh.
> To: meteorite-list at meteoritecentral.com
> Date: Thursday, 21 July, 2011, 0:33
> Hi Mike,
>
> no worries, neither we understood it like that.
>
> Of course, if one looks to the photos, the first idea,
> which comes to one's
> mind is: oil.
> No idea, what causes this effect, maybe the composition.
> Also that strange
> tint the cut faces reveal.
>
> And especially worrying is the variety of the odd
> inclusions. I mean
> normally we all get already excited, whenever we find a
> carbonaceous
> fragment in a howardite,
> but what that stone has all for strange clasts - that is
> really not normal
> anymore.
>
> Since 1999 Stefan is in Morocco and since then we certainly
> had quite a
> bunch of materials in our hands,
> but such a weird polymict one - extremely unusual.
>
> And it seems that many collectors feel the same, if after
> such a short time
> now only three slices are left.
>
> Now all of the smaller ones are gone, sorry for that. But
> we have still a
> slice left, which we could subdivide into small partslices,
> if desired - but
> for that one has really to raise his finger.
>
> For the moment!
> Martin
>
> -----Urspr?ngliche Nachricht-----
> Von: meteorite-list-bounces at meteoritecentral.com
> [mailto:meteorite-list-bounces at meteoritecentral.com]
> Im Auftrag von Galactic
> Stone & Ironworks
> Gesendet: Donnerstag, 21. Juli 2011 00:48
> An: Chladnis Heirs
> Cc: meteorite-list at meteoritecentral.com
> Betreff: Re: [meteorite-list] AD: Special: Truly baffling
> & sensational
> Howardite - NWA 6709 - absolutely stunning and very fresh.
>
> Hi Martin,
>
> I didn't mean to impeach the meteorite, I was just
> curious.
>
> This is indeed a mystery.? Have any scientists offered
> or agreed to
> look at it?? Perhaps hit the rainbow area with the
> microprobe or SEM?
>
> Aesthetically speaking, it's gorgeous and looks like Mother
> of Pearl.? :)
>
> Best regards,
>
> MikeG
>
> --
> ----------------------------------------------------------------------------
> -----
> Galactic Stone & Ironworks - Meteorites & Amber
> (Michael Gilmer)
>
> Website - http://www.galactic-stone.com
> Facebook - http://tinyurl.com/42h79my
> News Feed - http://www.galactic-stone.com/rss/126516
> Twitter - http://twitter.com/galacticstone
> EOM - http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
> ----------------------------------------------------------------------------
> -----
>
> On 7/20/11, Chladnis Heirs <news at chladnis-heirs.com>
> wrote:
> > No, it's natural!
> >
> > Martin
> >
> >
> > -----Urspr?ngliche Nachricht-----
> > Von: Galactic Stone & Ironworks [mailto:meteoritemike at gmail.com]
> > Gesendet: Mittwoch, 20. Juli 2011 23:24
> > An: Chladnis Heirs
> > Cc: meteorite-list at meteoritecentral.com
> > Betreff: Re: [meteorite-list] AD: Special: Truly
> baffling & sensational
> > Howardite - NWA 6709 - absolutely stunning and very
> fresh.
> >
> > Wow!? That is one of the most beautiful
> howardites I have ever seen.
> > Nice find.? :)
> >
> > The rainbox coloration is very odd.? Was the
> stone cleaned at any time?
> >
> > Best regards,
> >
> > MikeG
> >
> >
> ----------------------------------------------------------------------------
> > -----
> > Galactic Stone & Ironworks - Meteorites &
> Amber (Michael Gilmer)
> >
> > Website - http://www.galactic-stone.com
> > Facebook - http://tinyurl.com/42h79my
> > News Feed - http://www.galactic-stone.com/rss/126516
> > Twitter - http://twitter.com/galacticstone
> > EOM - http://www.encyclopedia-of-meteorites.com/collection.aspx?id=1564
> >
> ----------------------------------------------------------------------------
> > -----
> >
> > On 7/20/11, Chladnis Heirs <news at chladnis-heirs.com>
> wrote:
> >> Dear meteorite community,
> >>
> >> with this Special we have to introduce to you an
> enormous oddity.
> >> It is about a HED-meteorite of a kind, which we
> hadn't ever seen before
> in
> >> our careers before.
> >>
> >> It came in two stones, one of them was covered
> with a lush fusion crust,
> >> wonderfully structured by thick and oriented
> flowlines.
> >> And in some parts, that very crust displayed a
> gloss and a shine,
> > iridescent
> >> in all colours of the rainbow;
> >> an effect, reminding almost to bismuth!
> >>
> >> Please take a look to the photos, where we tried
> to captured the effect:
> >> http://www.chladnis-heirs.com/new-meteorites/nwa6709.html
> >>
> >>
> >> The interior was no less a riddle for us.
> >> The distribution and sizes of the various
> fragments and clasts were
> unlike
> >> we had seen in any polymict HED before.
> >> A variety of clasts is of a kind, like we never
> had recovered in any
> Vesta
> >> meteorite. Please take a closer look to the slices
> and you will share our
> >> surprise.
> >>
> >> And a very few of these clasts develope due to
> their microscopically
> >> lamellae-texture a fire like an opal, if turned
> around in the light.
> >> The response to a magnet is very inhomogeneous
> within the slices,
> >> although no differences are visible to the eye
> >> and all in all the interior has a somewhat dull
> yellowish tint - although
> >> the material is very fresh - and that tint and the
> circumstances made us
> >> initially think, it might be diogenitic.
> >>
> >> It is under classification at Dr. Anthony Irving
> and the values say, that
> > it
> >> is a shocked howardite.
> >>
> >> We crafted now a set of polished sliced of all
> sizes, to share this
> >> exceptional material with you.
> >> Please acknowledge that we have kept the price,
> despite of the for us so
> >> unique properties of the material, well
> affordable,
> >> for everybody staying able to add a specimen of
> this truly exceptional
> > stone
> >> to his collection.
> >> And an addition it is, also for the most
> experienced veteran collector.
> >>
> >> Earlier today we had published the Special in the
> German forum, therefore
> >> not so many specimens are left.
> >>
> >> For the largest slice we can offer a discount as
> it is the only one,
> which
> >> isn't coplanar.
> >>
> >> And finally, the specimen named "piece #2", which
> we chose to illustrate
> >> best that rainbow-bismuth-gloss of the fusion
> crust on the first linked
> >> page, is available too. It weighs 119.2g and we're
> accepting offers.
> >>
> >> Here you are now:
> >> http://www.chladnis-heirs.com/specials/special-nwa6709.html
> >>
> >>
> >> Best Regards,
> >> Stefan & Martin
> >>
> >> Chladni's Heirs
> >> Munich - Berlin
> >> Fine Meteorites for Science & Collectors
> >>
> >> http://www.chladnis-heirs.com
> >>
> >>
> >>
> >> ______________________________________________
> >> Visit the Archives at
> >> http://www.meteoritecentral.com/mailing-list-archives.html
> >> Meteorite-list mailing list
> >> Meteorite-list at meteoritecentral.com
> >> http://six.pairlist.net/mailman/listinfo/meteorite-list
> >>
> >
> >
> > --
> >
> > ______________________________________________
> > Visit the Archives at
> > http://www.meteoritecentral.com/mailing-list-archives.html
> > Meteorite-list mailing list
> > Meteorite-list at meteoritecentral.com
> > http://six.pairlist.net/mailman/listinfo/meteorite-list
> >
> ______________________________________________
> Visit the Archives at
> http://www.meteoritecentral.com/mailing-list-archives.html
> Meteorite-list mailing list
> Meteorite-list at meteoritecentral.com
> http://six.pairlist.net/mailman/listinfo/meteorite-list
>
> ______________________________________________
> Visit the Archives at http://www.meteoritecentral.com/mailing-list-archives.html
> Meteorite-list mailing list
> Meteorite-list at meteoritecentral.com
> http://six.pairlist.net/mailman/listinfo/meteorite-list
>
Received on Thu 21 Jul 2011 04:13:44 AM PDT