Atomic-scale environment of niobium in minerals as revealed by X-ray absorption spectroscopy at the Nb K-edge

This data set provides the raw EXAFS and XRD data of the manuscript '<strong>Atomic-scale </strong><strong>environment of niobium in minerals as revealed b</strong><strong>y </strong><strong>X-ray absorption spectroscop</strong><strong>y at the Nb </strong><strong>K</strong><strong>-edge'</strong> submitted to European Journal of Mineralogy. - EXAFS data files were converted into .txt for more accessibility. <em>Pcl</em> is the abbreviation for <em>pyrochlore. </em>The files are accoridngly labelled. - XRD data files for synthetic Nb-doped compounds start with 'XRD_...'. - The refined crystal structure of hydropyrochlore is 'hydropcl_01.cif' file.