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

From: Michael L Blood <mlblood_at_meteoritecentral.com>
Date: Wed, 02 May 2007 18:39:21 -0700
Message-ID: <C25E8B59.3586A%mlblood_at_cox.net>

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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Received on Wed 02 May 2007 09:39:21 PM PDT