[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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