TY - CPAPER AU - Murat Hatipoglu TI - THE EFFECT ON HUMAN HEALTH OF THE GEMMOLOGICAL USAGE OF AMETHYST (SiO2) THAT IS COLOURED WITH GAMMA IRRADIATION EXCITATION T2 - SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Science and Technologies in Geology, Exploration and Mining PY - 2016 DO - 10.5593/sgem2016/b11/s01.076 PB - Stef92 Technology ER -