Check back often for new stock as we plan to mine every couple on months. $400.00. Bauxite had been a boom town during WWII for their production of the mineral that was made into aluminium used in the military's aircrafts. Fee mining sites are places where you can pay a fee to dig, pan, or search for rocks, minerals or gemstones and keep whatever you find. My 4 babies arrived today, so carefully and lovingly wrapped. Arkansas has many . This high quality is used for gold testing as a polish material for space and aircraft industries. Rock Shops Minerals Mining Companies (2) Website. // -->