How to Separate Gold from Pyrite 911 Metallurgist
Oct 28 2016· In panning large samples only one or two specks of gold could be seen although the ore contained from 1 to 2 ounces per ton This ore yielded only about 40 per cent on being amalgamated but over 90 per cent was dissolved out by leaching the raw ore with cyanide of potassium and similar results were obtained by chlorination