[Rockhounds] Super Iron Out

[Lawrence Rush]

I have only had one bad experience with Iron-Out. Although I have used it on 
Pyrite with good results, it created a black (lead sulphate?) coating on 
weathered Galena. That was subsequently removed with detergent.

Larry

----- Original Message ----- 
From: "Pete Richards" <rpr at heidelberg.edu>
To: "Rockhounds at drizzle.com: A mailing list for rock and gem collectors" 
<rockhounds at lists.drizzle.com>
Sent: Monday, March 10, 2008 10:25 AM
Subject: Re: [Rockhounds] Super Iron Out


> As an addendum to a recent thread, I'll report a recent experience.   I've 
> just started using Super Iron Out to remove iron stains, and was  having 
> good luck with it.  I had a specimen of hemimorphite that had  some thin 
> but stubborn iron/clay stains on it.  I figured "Hey, it's  a silicate, 
> right? Should be safe".  Put it in a solution of Super  Iron Out, but 
> forgot it and left it overnight.  When I checked it  again, the stain was 
> gone.  So was half the hemimorphite!  As they  say, test it with something 
> you can afford to lose!
>
> Pete Richards
>
> -- 
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