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

[Shawn Alan]

Hello Eric and Listers


I did notice a slight smell from the BKF when I was baking the stone so I took it out of the oven and did another wash and did a longer alcohol bath and put it back in the over for 2 hours and now there is no smell. As for staining and residue I see non. However, I did weigh the meteorite and before I did this process it weighed 3.48g and now it weighs 3.43g. So if you have a small fragment this process could make your 1g rare meteorite a 1 gram lesser meteorite and take it out of the 1 gram and over bracket. But for what I did, the results are fantastic and losing 50mg of the meteorite was worth it, and I think the 50mg was the rust, so it was a win win situation. 

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. BKF is the best :)
Meteorites USA eric at meteoritesusa.com 
Mon Sep 13 02:23:21 EDT 2010 

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Very nice cleaning job. Stone meteorites are more porous and absorbent 
than irons. Have you noticed any residual smells, staining, or residue? 

Eric 


On 9/12/2010 10:59 PM, Shawn Alan wrote: 

> Jim k and the List, 

> 

> 

> 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. 

> 

> http://www.flickr.com/photos/48262799@N03/4985819064/sizes/l/in/photostream/ 

> 

> 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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