How Do I Extract Gold Dust From The River Sand
Dec 23, 2020 How To Extract Grain. Aug 17, 2011 density is the best test. even gold dust sinks. we have a river locally that contains some placer gold, and when you agitate the pan, the regular sand and dirt wash out cleanly, leaving a reddish sand composed of weathered garnet, which also washes out, leaving a fine dense black material, and if you are lucky or skillful.