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			Join Date: Dec 2004 
				
				
				
					Posts: 743
				 
				
				
				
				
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			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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