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Hello All,
I need a little help well more of an answer I guess, so I have gold ore that I have crushed, I have classified it all down from 30 mesh to 100 mesh. My question is can I use the aqua regia mixture of 3:1 with the entire sample of ore? The reason I am asking is because I know that there will not be an ounce of gold in each sample so I was going to use 2 samples per 3:1 ratio but the ore does have other stuff with it like silver and copper and tellurides and possibly some malachite but can I use that and get the gold out or do I have to separate the gold from the rest of the ore?