[meteorite-list] Rust Question about my stone meteorite. BKF is the best :)

From: Shawn Alan <photophlow_at_meteoritecentral.com>
Date: Sun, 12 Sep 2010 22:59:11 -0700 (PDT)
Message-ID: <889520.176.qm_at_web35401.mail.mud.yahoo.com>

Jim k and the List,
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I took your advice and used the Bar Keeper Friend on my L6 meteorite fragment to remove the rust on the surface of the meteorite due to age and I would have to say, wow, this stuff really works. The meteorite looks so much better. I can see the true color of the meteorite, I can see the texture and the gray matrix. I have a link down below of before and after images of the meteorite :) Take a look and you will be amazed of the results.
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http://www.flickr.com/photos/48262799 at N03/4985819064/sizes/l/in/photostream/
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Shawn Alan
IMCA 1633
eBaystore
http://shop.ebay.com/photophlow/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p4340


[meteorite-list] Rust Question about my stone meteorite.
Jimski47 at aol.com Jimski47 at aol.com
Sat Sep 11 07:38:57 EDT 2010

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Hi Shawn,

I doubt that soaking a meteorite in alcohol will remove rust. I've used
fine grit sandpaper to remove rust from slices. Lay the sandpaper on a hard
flat surface and gently rub the meteorite onto the sandpaper. For removing
rust from iron etched slices, I use a product called "Bar Keepers Friend",
this can be found in most grocery stores cleaning supplies isle. It comes in
a powder form, so you have to make a thick liquid out of it. Wet the
meteorite with warm water then apply the liquid BKF. Rub it onto the meteorite
with your finger gently. Rubbing to hard can damage the etch. After removing
the rust, rinse the piece, soak it in alcohol and bake it dry in an oven
about 200 degrees for 2 hrs.

You can try the BKF process on a chondrite fragment and use a toothbrush
to scrub it. It should work but you might want to experiment with a cheap
uncl. NWA first.

Jim K

In a message dated 9/10/2010 11:14:49 P.M. Central Daylight Time,
photophlow at yahoo.com writes:
Hello Listers,

I have a question about rust and how to clean it off your L6 meteorite.
Now can you just soak the meteorite in a 99% alcohol bath for a couple days
and the rust on the surface will some what come off the surface or are there
other steps?

The the size of the L6 fragment is 3.45g, so I dont have much room to work
with. I used a sand/finger nail file and sanded the surface, but not sure
if that made a difference and it seems that the L6 meteorite surface is
stronger than the sand paper on the finger nail file.

If any Listers have some suggestions let me know please :)

Shawn Alan
IMCA 1633
eBaystore
http://shop.ebay.com/photophlow/m.html?_nkw=&_armrs=1&_from=&_ipg=&_trksid=p
4340
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Received on Mon 13 Sep 2010 01:59:11 AM PDT