hi, all,
 
I got some suspected iron meteorites.  I want to try to etch them.
Does anyone know other easy methods to etch instead of using nitric acid?  I find it difficult to buy nitric acid and quite danger to handle myself.
 
Could anyone tell me other methods? Any existing spying chemicals or solutions that I can buy easily and less harmful?
 
Thanks
 
Desmond
 

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