[meteorite-list] Need help with a Campo!!

[Michael L Blood]

Hi Greg & all,
        I have seen these black looking capos and was told the
substance was mineral oil, for what that's worth.
        What is "aRig?"
        Best wishes, Michael

on 5/2/07 6:45 PM, GREG LINDH at geeg48 at msn.com wrote:

> 
>      Hi Joseph (and List),
> 
>   I live in the very center of Arizona and so it is pretty dry here.  As I
> wrote earlier, my first two Campos are pretty clean, and have for the most
> part, a shiny, metallic appearance.  They are not *perfectly* clean and
> shiny, but darn close.  By applying a thin coat of "Rig", I have not seen
> any rusting take place.  They remain shiny and metallic.  So, I think that I
> am able to preserve them.  My problem is that my latest Campo came sprayed
> with some sort of protectant that makes it look as if it has been sprayed
> with black, Krylon paint.  I don't know what this protectant is, but I'd
> really like to remove it and then apply my own protectant (Rig).  Do you, or
> does anyone know how I can remove this black substance from my latest Campo.
>   Again, thanks in advance for any help.
> 
>   Greg Lindh
> 
> 
> 
> ----- Original Message -----
> From: "Joseph Murakami" <murakamij004 at hawaii.rr.com>
> To: "'GREG LINDH'" <geeg48 at msn.com>
> Sent: Wednesday, May 02, 2007 6:14 PM
> Subject: RE: [meteorite-list] Need help with a Campo!!
> 
> 
>> Greg,
>> Just to let you know, no Campo looks shiny and metallic from the field.
>> Most are dug out of the ground with a quarter inch or more of 'iron shale'
>> that needs to be knocked off.  Some of the better ones, found much higher
>> on
>> hills are fresher, but these also are never 'shiny and metallic'.  They
>> are
>> dark brownish black with a layer of magnetite.  Preserving a Campo is a
>> bitch, excuse the 'English.'  It depends entirely on where the specimen
>> came
>> from, highlands, with small fresh regmas, or lowlands with shallow regmas
>> and lots of rust/iron shale knocked off already to make them sellable.
>> I've
>> seen, maybe 2 or 3 larger Campos which are relatively fresh.  The rusting
>> can be retarded by dipping/brushing on a sodium hydroxide prep after an
>> acid
>> wash, but I've personally not done this to my Campos.  My larges Campo
>> sits
>> in my sitting room, almost 100 kg, with regmas, but also slowly rusting...
>> If you or anyone finds a way of really preserving a larger iron, 50+ lbs
>> or
>> more, please let me know...  Spraying Sheath and the like are very
>> minimally
>> retarding, at best, and the fumes are pretty heady to live with in the
>> house!
>> 
>> Joseph
>> Honolulu, hot/moisty/salty....
>> 
>> -----Original Message-----
>> From: meteorite-list-bounces at meteoritecentral.com
>> [mailto:meteorite-list-bounces at meteoritecentral.com] On Behalf Of GREG
>> LINDH
>> Sent: Wednesday, May 02, 2007 2:36 PM
>> To: meteorite-list
>> Subject: [meteorite-list] Need help with a Campo!!
>> 
>> 
>>        Hi all,
>> 
>>     As many of you know, I'm new to meteorite collecting (16 so far).  I
>> have 3 Campos.  The first two came looking more natural....shiny and
>> metallic looking.  I put some "Rig" on them to keep them from rusting.
>> Rig
>> is a goop that hunters put on guns to keep them from rusting.  It has
>> worked
>> 
>> wonderfully on my first two Campos.  The problem is, my last Campo, which
>> is
>> 
>> very cool and my biggest so far (11.5 lbs.) has been coated with some sort
>> of protectant.  Instead of being shiny and metallic looking, it looks like
>> it has been sprayed with black paint.  I tried taking it off with a
>> stainless steel wire hand held brush, but it only comes off with *great
>> difficulty*.  So, is there some sort of solvent that will take this stuff
>> off without damaging the meteorite.  I called the man I purchased it from
>> and he agreed that a natural look is much better.  He has contacted the
>> person he buys the Campos from and has requested that no protectant be
>> used
>> on future Campos.  He told me that a light sand or bead blasting would
>> take
>> it off, but I just don't want to damage the actual meteorite material.
>>     Any advice and assistance would be greatly appreciated.
>>     Thanks in a advance for your help.
>> 
>>     Greg Lindh
>> 
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>> 
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