[meteorite-list] R: iron meteorite natural color
From: Francesco Moser <cojack_at_meteoritecentral.com>
Date: Sat, 26 Nov 2016 16:53:31 +0100
Ouch this is a very strong way :)
I'm looking something easier and something that not fuse again the sample!
Da: Meteorite-list [mailto:meteorite-list-bounces at meteoritecentral.com] Per conto di Count Deiro via Meteorite-list
Inviato: venerd? 25 novembre 2016 03:18
A: Mattias B?rmann <majbaermann at web.de>; Marcin Cima?a - POLANDMET <marcin at polandmet.com>; Meteorite-list at meteoritecentral.com
Oggetto: Re: [meteorite-list] iron meteorite natural color
I would sandbast and then follow up by applying a welding torch at blue/white temperature to perhaps again fuse the exterior as occured when the specimen came through the atnosphere trying to keep the direction of the ablation oriented in one direction. All of us would, I am sure, like to see the result.
>From: Mattias B?rmann via Meteorite-list
><meteorite-list at meteoritecentral.com>
>Sent: Nov 24, 2016 3:22 PM
>To: Marcin Cima?a - POLANDMET <marcin at polandmet.com>,
>Meteorite-list at meteoritecentral.com
>Subject: Re: [meteorite-list] iron meteorite natural color
>For the ultimate oriented-look, dear Marcin, it might be recommendable
>to use a chainsaw.
>Am 24.11.2016 um 23:42 schrieb Marcin Cima?a - POLANDMET via Meteorite-list:
>>> 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 :)
>> 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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