Roasting black sand help Alluvial Gold Prospectors
Sep 18, 2012· Iam actually not looking for sulphides but just would like to see if there is any free gold attached to the black sand. Thats why iam looking at roasting then thowing in cold water. Not expecting much but have heard of people ok from the process before. someday Guest. Roasting black sand help Sept 18, 2012 11:41:31 GMT 10 .