[Rockhounds] Micro zeolite associates from Centreville, VA

[Erich Kern]

I've cleaned rust stains off of Prehnite with Iron Out, didn't harm it. Acids will harm it though.

Erich Kern
Murrieta, CA

----- Original Message ----- 
From: R. Peter Richards 
To: Rockhounds at drizzle.com: A mailing list for rock and gem collectors 
Sent: Saturday, July 19, 2008 5:47 PM
Subject: Re: [Rockhounds] Micro zeolite associates from Centreville, VA


Thanks, Don.  Don't know exactly what they are, but that seems like a  
safe thing to try.  Unlike Super IronOut, Waller Solution, and HCl,  
all of which I think will attack prehnite.

Cheers,
Pete


On Jul 18, 2008, at 10:50 PM, DonH wrote:

>
> Pete,
>
> If those really are clays, try a warm (but not hot) saline solution  
> to disperse them.
>
> Good luck,
> Don
>
> -- 
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___________________________________
R. Peter Richards
rpr at heidelberg.edu
Morphological crystallographer





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