[meteorite-list] Safely removing caliche?

[Meteorites USA]

Hi Richard,

I use vinegar... Apple cider vinegar works pretty good too. I guess it's 
a bit stronger. I've also heard citric acid works well, but I've never 
tried it.

Regards,
Eric Wichman



On 2/5/2010 9:13 AM, Richard Kowalski wrote:
> I picked up a few small oriented Taza from Geoff N. yesterday. One, the size and shape of a canine tooth, has a partial coating of what appears to be caliche around the middle.
>
> I'm not ready to take a wire brush to it just yet, but I was wondering if there is another (non mechanical) way to remove it without affecting the surface below?
>
> Thanks
>
> --
> Richard Kowalski
> Full Moon Photography
> IMCA #1081
>
>
>
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