FMF - Friends of Minerals Forum, discussion and message board

Yes. I was afraid of that. :-)
Thanks for the clarification.
And thanks for all the advice and tips.
I may post a follow up to show everyone how we dealt with it, if we decide to build a suitable b ...

I just want to verify that Pararealgar is non-toxic - right?
We assumed the yellow powder was arsenic, which is toxic.
But if it is pararealgar, I'm assuming it is harmless. Not that we will encoura ...

Thanks Jordi.
This is really great information. Maybe we will build a special box for it with special lighting to avoid the color specturm that's causing the problem. We have several separate niches ...

Thanks Alfredo.
It's a relief to know it's not arsenic.
I think we'll just continue to wash the yellow powder off then and let him enjoy the specimen in the case with the rest of his minerals.

I manage a collection of a private collector. This specimen is one of his favorites, and he wants it on display. The Realgar continues to form arsenic, and we have been washing it off to get rid of th ...

Author	Message
Topic: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Forum: Conserving, Preparing and Cleaning Minerals Posted: May 21, 2013 14:46 Subject: Re: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Yes. I was afraid of that. :-) Thanks for the clarification. And thanks for all the advice and tips. I may post a follow up to show everyone how we dealt with it, if we decide to build a suitable b ...
Topic: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Forum: Conserving, Preparing and Cleaning Minerals Posted: May 21, 2013 14:20 Subject: Re: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	I just want to verify that Pararealgar is non-toxic - right? We assumed the yellow powder was arsenic, which is toxic. But if it is pararealgar, I'm assuming it is harmless. Not that we will encoura ...
Topic: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Forum: Conserving, Preparing and Cleaning Minerals Posted: May 18, 2013 06:28 Subject: Re: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Thanks Jordi. This is really great information. Maybe we will build a special box for it with special lighting to avoid the color specturm that's causing the problem. We have several separate niches ...
Topic: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Forum: Conserving, Preparing and Cleaning Minerals Posted: May 17, 2013 14:53 Subject: Re: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Thanks Alfredo. It's a relief to know it's not arsenic. I think we'll just continue to wash the yellow powder off then and let him enjoy the specimen in the case with the rest of his minerals.
Topic: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	Forum: Conserving, Preparing and Cleaning Minerals Posted: May 17, 2013 11:56 Subject: How to minimize Arsenic on Realgar
Roxanne Hicklin Replies: 15 Views: 31465	I manage a collection of a private collector. This specimen is one of his favorites, and he wants it on display. The Realgar continues to form arsenic, and we have been washing it off to get rid of th ...