Ahmadi, , Abedini, , Bagheri, , Calagari, (2020). 'Mineralogy and the lanthanide elements geochemistry of the Shotorkhosb kaolin deposit, southeast of Torbat-e-Heydarieh , NE Iran', Iranian Journal of Crystallography and Mineralogy, 28(4), pp. 829-844. doi: 10.52547/ijcm.28.4.829