Extracting gold from rock - OpenLearn - Open UniversityJul 20, 2006 . Information on how to extract gold from rock, one of the scientists' challenges on the BBC/OU series Rough Science 3.removing gold from dirt stone areka chemicals,Basement Chemistry for the Prospector - Black Sand, Tellurides and .Your average "dirt" with small stones etc has a density of about 2-21/2. . gold but most of us find it much more difficult to separate the gold from the black sand. . These are rather complex inorganic compounds that can occur in various forms.
removing gold from dirt stone areka chemicals