[meteorite-list] R: R: iron meteorite natural color

From: cdtucson at cox.net <*cdtucson_at_meteoritecentral.com*> Date: Mon, 28 Nov 2016 15:25:01 -0500 Message-ID: <20161128152501.VKFE0.38001.imail_at_fed1rmwml205> · cdtucson_at_meteoritecentral.com

--
Love & Life
---- Francesco Moser via Meteorite-list <meteorite-list at meteoritecentral.com> wrote: 
> I think I was misunderstood due to my poor English.
> I don't want to put paint on the meteorite, absolutely no!
> And I don't want to replicate a false Sikhote looking.
> As well I don't want to have a silver looking meteorite.
> 
> This is what I want:
> http://www.polandmet.com/_morasko/003.htm
> Nude black iron!!!
> 
> All the Campo I found on the market have this type of "black" surface:
> I want to remove rust and obtain this surface finishing:
> http://www.katiepaterson.org/meteorite/katie_paterson_meteorite_giorgia_poli
> zzi_120711_6695.jpg
> 
> So .. how can I deeply remove rust and preserve nude black iron surface?
> I'm planning to use sand blasting for remove the rust, but with this process
> I will obtain a "nude grey iron"
> It's possible to convert nude grey to nude black? Without using oil or waxes
> and of course no paint?
> Or it's better to use a different process for remove rust? Which process?
> 
> For example: how you clean your Morasko for reach that black surface?
> Electrolytic bath? I can also use on Campo?
> 
> Thanks!
> 
> 
> 
> <x>x<x>x<x>
> Francesco
> 
> 
> -----Messaggio originale-----
> Da: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] Per
> conto di Marcin Cimala - POLANDMET via Meteorite-list
> Inviato: luned? 28 novembre 2016 02:43
> A: Francesco Moser <cojack at tiscali.it>; Meteorite-list at meteoritecentral.com
> Oggetto: Re: [meteorite-list] R: iron meteorite natural color
> 
> Hey
> Well its difficult becouse when You remove rust completly You will get a
> silver "something", yes ? Something that not look like meteorite. But adding
> crusty-like fake layer to look Your crusty-less Campo like Sikhote its also
> false way.
> Campo is not the best one to sandblast becouse there is nothing on the
> surface. No inclusions or rarely anything. I have tryed once and I didnt
> like it. I let it rust again get a better color LOL
> 
> Maybe if You post photos of Your specimen I can have a better idea what You
> have
> 
> -----[ MARCIN CIMALA ]----[ +48 793567667 ]-----
> http://www.Meteoryty.pl             marcin(at)meteoryty.pl
> http://www.PolandMET.com       marcin(at)polandmet.com
> --------[ Member of Polish Meteoritical Society ]--------
> 
> 
> 
> 
> 
> 
> Marcin and Doug!
> Thanks for your replys!
> 
> Ok, I understand what you mean about the authenticity of color.
> For sure the desert varnish of some iron meteorite like Gibeon or Henbury is
> the most natural looking for a find (not fall) meteorite.
> But old and buried meteorite like Muonionalusta or Campo have a very thick
> rust and oxide crust, I suppose no one want to have that on his irons.
> So after remove and clean all the rust shale what remains? Grey nude iron
> ... it is absolutely not natural!!!
> So for me on this type of meteorite the black surface is something better
> that the nude iron, isn't?
> Of course I don't want to paint the meteorite, just convert the nude grey
> iron to dark.
> How it is possible? With oil?
> 
> All the Campo that are on the market have nude dark iron on the surface, how
> can I reach the same looking starting from nude grey iron results of sand
> blasting?
> 
> Thanks
> 
> 
> Ciao
> 
> <x>x<x>x<x>
> Francesco
> 
> 
> -----Messaggio originale-----
> Da: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] Per
> conto di Marcin Cimala - POLANDMET via Meteorite-list
> Inviato: gioved? 24 novembre 2016 23:42
> A: Meteorite-list at meteoritecentral.com
> Oggetto: Re: [meteorite-list] iron meteorite natural color
> 
> > Hello,
> > I have a question.
> > As we know an iron meteorite, such like Campo del Cielo for example, 
> > have a black surface.
> > I have here a deeply rusted Campo, I'm planning to remove rust with a 
> > sand blasting process.
> > But with this I will obtain a greysh surface, like naked iron, the 
> > same color of a slice.
> > Not really a natural color for the exterior of an iron meteorite and 
> > also not aestetically pretty, looks too artificial for me.
> > There is something to do for restore the original black color?
> > Or it's better to remove the rust with a traditional steel brush, 
> > maybe with a drill ???
> >
> > Tips for mechanical or chemical process are welkomme!!!
> > I can try with the classical NaOh bath, I have also Phosphoric, Citric 
> > and Oxalic acid :)
> >
> > Thanks
> > <x>x<x>x<x>
> > Francesco
> 
> Hah good question Francesco. But what is natural color of meteorite at all ?
> 
> Desert sandblasted NWA is not a real looking meteorite? Should I paint them
> black to be looking like a real meteorites ? Poor Dhofars....
> This is what Im fighting long time. Strange stereotype that meteorite MUST
> BE BLACK outside, WHY ?
> 
> When You like Your girlfrend ? When he smile to You with his pretty face or
> when she put ton of Max Factor chemicals on it??
> 
> I have always strange taste, different than most of collectors. For me, if
> specimen have crust must be black or black with rusty patina. If meteorite
> have no more crust like Campo, why to "paint" it to black to looks like
> Sikhote ? Then You will see paint, not Your meteorite. I only can imagine
> what strange things they do to clean Campo and look it like that. LOL
> 
> OK now a few tips.
> As I understand Your Campo is a complete specimen ? To remove deep rust You
> must use electrochemical cleaning + brush + small hammer. Then You will get
> mostly cleaned meteorite with BLACK remains of rust that will make Your
> meteorite looks REAL.Then heat it and put alot of oil to make it looks fresh
> and oriented :)
> 
> -----[ MARCIN CIMALA ]----[ +48 793567667 ]-----
> http://www.Meteoryty.pl             marcin(at)meteoryty.pl
> http://www.PolandMET.com       marcin(at)polandmet.com
> --------[ Member of Polish Meteoritical Society ]--------
> 
> 
> 
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