how to extract gold dust from sand? | Yahoo Answers
09-04-2008· The simple answer is gravity. Gold is more dense than the sand, so it will settle to the bottom for a pan first. Panning is a bit of an art. Yes, it's a difficult task, especially if the goldGold extraction - Wikipedia,Gold extraction refers to the processes required to extract gold from its ores.This may require a combination of comminution, mineral processing, hydrometallurgical, and pyrometallurgical processes to be performed on the ore.. Gold mining from alluvium ores was once achieved by techniques associated with placer mining such as simple gold panning and sluicing, resulting in direct recovery of,How to extract Gold, Platinum, Rhodium from "Black Sand,,08-05-2008· I have access to a large amount of "Black Sand' ore concentrate, which has assays showing extremely large concentrations of Gold, Platinum and Rhodium. But many people say it is worthless because it is "impossible" to extract the precious metals from the junk (especially Iron). Can the precious metals be extracted at all? If they can be extracted, can it be done profitably?