[meteorite-list] Brahin stability

From: STEPHEN WARZYNIAK <starwarz100_at_meteoritecentral.com>
Date: Thu Apr 22 10:30:29 2004
Message-ID: <BAY3-F27Q4S8Uq5nlhR0000f047_at_hotmail.com>

Martin,

I purchased some thin slices of Brahin from Ivan Koutyrev at finmet about
six months ago. I've kept them stored singly in nothing more secure than
ziploc bags. To date, none of my pieces show any evidence of rust or other
deterioration. I'm pretty satisfied.

Steve Warzyniak
IMCA 9804

>From: "Martin Altmann" <Altmann_at_Meteorite-Martin.de>
>Reply-To: "Martin Altmann" <Altmann_at_Meteorite-Martin.de>
>To: <meteorite-list_at_meteoritecentral.com>
>Subject: Re: [meteorite-list] Brahin stability
>Date: Tue, 30 Sep 2003 13:58:01 +0200
>
>Hi again,
>
>does anyone has experiences with the Brahins from Koutyrev/finmet?
>He praises them to be totally stable for years (you can put in salt
>water..), due to a new method.
>I wonder, how he could know that his method helps, as he uses it obviously
>not longer than a year or so (as far as I observed his auctions).
>
>From one of Serge's pieces I grinded off (dry) the glue, for testing, what
>will happen. It started immediately to develope rust traces and after 2
>months, it was so swollen (lawrencite?) that I hid away for not getting
>hurt
>in a potential explosion.
>
>Martin
>
>----- Original Message -----
>From: "Zelimir Gabelica" <Z.Gabelica_at_uha.fr>
>To: <meteorite-list_at_meteoritecentral.com>
>Sent: Tuesday, September 30, 2003 12:21 PM
>Subject: [meteorite-list] Brahin stability
>
>
>Hello Martin, Matteo, John, Tim, all,
>
>I also got a Brahin slice from Afanasjev 3 years ago, mint and not
>lacquered. It started getting rust spots after a couple of weeks and was
>almost completely destroyed after 6 months.
>I realize that Serge now found a way to protect Brahins but I did not dare
>to take another such lacquered one from him last June in Ensisheim.
>The only Brahin I acquired since this disappointing experience is a slice
>embedded forever in epoxy. This is an exception as I never do that for
>meteorites but after 3 unfruitful attempts to get a stable Barahin (from 3
>various sources), I opted for the epoxy solution.
>The message is probably that every meteorite candidate to rusting could
>(should) first be treated in some way (like, e.g. the NaOH-propanol method
>decribed by Steve Schoner) and then protected (e.g. Afanasjev's "kind of
>glue").
>Still much work and many "trials & errors" in perspective, as every case
>seems to be diferent...
>
>Cheers,
>
>Zelimir
>
>
>At 10:32 30/09/03 +0200, you wrote:
> >Hi Matteo,
> >
> >I had several slices of Brahin from Afanasjev, which were lacquered with
>a
> >kind of glue. Kept in an airtight box with dry agent they were totally
> >stable for 2 years, another slice I had more than 6 years without any
> >problems and as far as I know, they are still all o.k.
> >
> >Cheers!
> >(Imilac is the best!)
> >
> >----- Original Message -----
> >From: "M come Meteorite Meteorites" <mcomemeteorite2000_at_yahoo.it>
> >To: <meteorite-list_at_meteoritecentral.com>
> >Sent: Tuesday, September 30, 2003 7:27 AM
> >Subject: Re: [meteorite-list] Pallasite available?
> >
> >
> >> Here all Brahin pieces is go destroyed in 1 month or
> >> few months, the unique piece stable is a slice buy 7
> >> years ago from Casper. For no speack of Brenham,
> >> Quijnque, Albin, Admire. No problems with Esquel and
> >> Imilac. Sincerely if I should spend some money I would
> >> spend them on a slice of Imilac or Esquel how I did,
> >> my slice of Imilac from 94 gr. is perfect after 5
> >> months, a slice of brahin after this time is go
> >> destroy in 4 pieces.
> >> Regards
> >>
> >> Matteo
> >>
> >> --- John Gwilliam <jkg_at_theriver.com> wrote:
> >> > I agree with Tim (and several other list members) on
> >> > this one. There are
> >> > some Brahin specimens available that are very
> >> > stable.
> >> >
> >> > Best,
> >> > John Gwilliam
> >> >
> >> > At 05:48 PM 9/29/03 -0500, Tim Heitz wrote:
> >> > >Matteo,
> >> > >
> >> > >NO ITS NOT all rusty !!!! Not all
> >> > >
> >> > >Regards,
> >> > >Tim Heitz
> >> > >
> >> > >
> >> > >----- Original Message -----
> >> > >From: "M come Meteorite Meteorites"
> >> > <mcomemeteorite2000_at_yahoo.it>
> >> > >To: <bernd.pauli_at_paulinet.de>;
> >> > <meteorite-list_at_meteoritecentral.com>
> >> > >Sent: Sunday, September 28, 2003 11:23 PM
> >> > >Subject: Re: [meteorite-list] Pallasite available?
> >> > >
> >> > >
> >> > > > Yes, but brahin is a rusty bastard pallasite.
> >> > > > Regards
> >> > > >
> >> > > > Matteo
> >> > > >
> >> > > > --- bernd.pauli_at_paulinet.de wrote:
> >> > > > > > Hello, Would any one happen to have a small
> >> > slice
> >> > > > > of a Pallasite
> >> > > > > > for sale or maybe trade? I do not have one
> >> > in my
> >> > > > > collection and
> >> > > > > > figure it is time. I am looking for a small
> >> > slice
> >> > > > > that has plenty of
> >> > > > > > both materials for my viewing pleasure. : )
> >> > > > >
> >> > > > > What about these:
> >> > > > >
> >> > > > >
> >> > > >
> >> >
> >>
> >>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3239&item=219364678
>0
> >> > > > >
> >> > > > >
> >> > > >
> >> >
> >>
> >>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3239&item=219348466
>9
> >> > > > >
> >> > > > >
> >> > > >
> >> >
> >>
> >>http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&category=3239&item=219348472
>9
> >> > > > >
> >> > > > > The "2193646780" Brahin would be my favorite
> >> > though
> >> > > > > the "2193484729"
> >> > > > > Brahin is very nice too. The former looks more
> >> > > > > stable visually.
> >> > > > >
> >> > > > > Several months ago I got a nice little
> >> > QUIJINGUE
> >> > > > > (3.5 grams) from AL Mitterling via
> >> > > > > Ebay and it is still very stable. Keep your
> >> > hands
> >> > > > > off ADMIRE - it is a rust bucket lest
> >> > > > > you take care of it regularly. Esquel and
> >> > Imilac
> >> > > > > slices are quite stable, my Brenham
> >> > > > > has been stable for more than 15 years now -
> >> > others
> >> > > > > have had less luck because with
> >> > > > > Brenham it depends on whether it is an
> >> > internal or
> >> > > > > an external piece (same thing with
> >> > > > > the Cape York irons).
> >> > > > >
> >> > > > > Best wishes,
> >> > > > >
> >> > > > > Bernd
> >> > > > >
> >> > > > > To: knudson911_at_frontiernet.net
> >> > > > > meteorite-list_at_meteoritecentral.com
> >> > > > >
> >> > > > >
> >> > > > > ______________________________________________
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> >> > > > >
> >> > > >
> >> >
> >> http://www.pairlist.net/mailman/listinfo/meteorite-list
> >> > > >
> >> > > >
> >> > > > =====
> >> > > > M come Meteorite - Matteo Chinellato
> >> > > > Via Triestina 126/A - 30030 - TESSERA, VENEZIA,
> >> > ITALY
> >> > > > Email: mcomemeteorite2000_at_yahoo.it
> >> > > > Sale Site: http://www.mcomemeteorite.com
> >> > Collection Site:
> >> > >http://www.mcomemeteorite.info
> >> > > > International Meteorite Collectors Association
> >> > #2140
> >> > > > MSN Messanger: spacerocks_at_hotmail.com
> >> > > >
> >> >
> >> EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/
> >> > > >
> >> > > > __________________________________
> >> > > > Do you Yahoo!?
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> >> > > >
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> >> > >
> >> > >
> >> > >______________________________________________
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> >> >
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> >> >
> >> >
> >>
> >>
> >> =====
> >> M come Meteorite - Matteo Chinellato
> >> Via Triestina 126/A - 30030 - TESSERA, VENEZIA, ITALY
> >> Email: mcomemeteorite2000_at_yahoo.it
> >> Sale Site: http://www.mcomemeteorite.com Collection Site:
> >http://www.mcomemeteorite.info
> >> International Meteorite Collectors Association #2140
> >> MSN Messanger: spacerocks_at_hotmail.com
> >> EBAY.COM:http://members.ebay.com/aboutme/mcomemeteorite/
> >>
> >> __________________________________
> >> Do you Yahoo!?
> >> The New Yahoo! Shopping - with improved product search
> >> http://shopping.yahoo.com
> >>
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>******************************************************
>Prof. Zelimir Gabelica
>Groupe Sécurité et Ecologie Chimiques (GSEC) - ENSCMu
>3, rue A. Werner
>F-68093 MULHOUSE Cedex, FRANCE
>Tel: +33 (0)3 89 33 68 94
>FAX: +33 (0)3 89 33 68 15
>e-Mail: Z.Gabelica_at_uha.fr
>******************************************************
>
>
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Received on Tue 30 Sep 2003 04:17:17 PM PDT