Geochemical Characteristics and Chemical Electron Microprobe U-Pb-Th Dating of Pitchblende Mineralization from Gabal Gattar Younger Granite, North Eastern Desert, Egypt (scirp.org)
If need for higher voltages to show, I would have used Uranium pitchblende like Bequerel did, instead of asking CERN for artificial teravolts. (realclimate.org)