Santos, R.S., Cavallaro, F.A., Bernardes, T.L. da S., Amadeu, R.A., Garcia, R.H.L., Velo, A.F., Mesquita, C.H. and Hamada, M.M. 2021. Performance of the X-ray powder diffraction (XRD), X-ray fluorescence (XRF) and the industrial computed tomography used for characterization of the vesicular volcanic rock. Brazilian Journal of Radiation Sciences. 9, 1A (Apr. 2021). DOI:https://doi.org/10.15392/bjrs.v9i1A.1523.