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Old 17th May 2007, 07:15 PM   #1
Tatyana Dianova
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Join Date: Dec 2004
Posts: 678
Default Arsenic or realgar for Keris etching?

I want to etch a couple of Keris. I can buy in eBay at Minerals:
- sterling arsenic (a dark grey mineral)
- or realgar (arsenic+sulphur, white cristal)
What is better for etching?
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