The files contained here relate to the following publication: Nanostructural origin of blue fluorescence in the rare mineral karpatite Authors: Jason Potticary, Torsten Jensen, Simon R. Hall Inventory of dataset: Cn pXRD.xy Cn010.jpg Graphed data.opj Kp pXRD.xy Kp014.jpg Kp019.jpg The .opj and .xy files can be studied using the freely available Origin viewer (http://www.originlab.com/viewer/) The .jpg files can be studied using any freely available image viewer such as Microsoft Paint Operating system: Windows