... In the natural environment, the ionizing radiations from the radioactive elements contained in soils causing effects on the material’s properties of ancient pottery samples. Natural ionising ... quartz inclusion technique, the determination of the beta annual dose plays a determining important role on the precision of method. We have following formula: ______ * Corresponding author. ... irradiations, the alpha particles, cause effects only on fine grains due to their short penetration length (10 ÷40µm) although their high ionizing capacity. The beta and gamma irradiation, however,...