Extracting gold from rock - OpenLearn - Open UniversityFeb 27, 2007 . We need to separate the gold from everything else in the rock so the rock . That way, we can crush the rock without losing any of the precious gold particles. . We used a heavy metal rod (a broken half shaft from a four wheel.how does a rock crusher separate metal,How Does a Rock Crusher Work? | SciencingAlternately, rock crushers can use a belt drive to continuously transport the rock into the . A jaw crusher is like a giant collapsible V made out of two metal walls.
how does a rock crusher separate metal