Amazon.com High Plains Prospectors LLC Pneumatic Rock
Pulverizes hard quartz easily. Stands up to abuse of crushing hard rock. Makes sampling ore a piece of cake. Will crush rock below a 60 mesh in seconds.cost cost of rock crushers in uae Fote Mining Machinery Co. Takes the work out of crushing rock before panning, processing, or chemical or fire assaying. Very heavy and rugged. Requires little effort for anyone to crush hard rock.