{Position of crystal}? { "PG (Highly Oriented Pyrolytic Graphite)" | "Ge" | "Si" | "Cu" | "Fe3Si" | "CoFe" | "Cu2MnAl (Heusler)" | "Multilayer" }? {Cut angle of reflecting Bragg plane and plane of crystal surface}? {Unit cell parameters (lengths and angles)}? {Volume of the unit cell}? {Orientation matrix of single crystal sample using Busing-Levy convention}? {Optimum diffracted wavelength}? {Lattice parameter of the nominal reflection}? {Scattering vector, Q, of nominal reflection}? {[hkl] values of nominal reflection}? {Horizontal width of individual segment}? {Vertical height of individual segment}? {Thickness of individual segment}? {Typical gap between adjacent segments}? {number of segment columns in horizontal direction}? {number of segment rows in vertical direction}? {horizontal mosaic Full Width Half Maximum}? {vertical mosaic Full Width Half Maximum}? {Horizontal curvature of focusing crystal}? {Vertical curvature of focusing crystal}? {Polar (scattering) angle at which crystal assembly is positioned}? {Azimuthal angle at which crystal assembly is positioned}? {Bragg angle of nominal reflection}? {average/nominal crystal temperature} {log file of crystal temperature} {crystal reflectivity versus wavelength } {crystal transmission versus wavelength }