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Hello all
I am an amature gold and rock hound, my buddy and I went in together and bought a gold dore bar and we are having problems trying to dissolve it out. I have been told to use nitric acid and I did some but I am scared because I dont want to hurt anything can anyone give any advice on what we should do, the little bit we used nitric acid on wasnt very clean it had little pebbles and some wood in it but we stopped because we are worried that we are going to hurt the silver and gold mainly. Can anyone help.