“…The concentration of impurity-related defects is dependent on the conditions of mineral formation or subsequent alteration (Preusser et al, 2009). In spite of complex TL glow curve; there have been more TL studies on this subject than those on ESR in the literature (Benny et al, 1997(Benny et al, , 2000Vaijapurkar et al, 1998;Soliman and Salama, 2009;Pitalua et al, 2013;Pandya et al, 2013).…”