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Determination of Chemical Composition, State of Order, Molar Volume, and Density of a Monoclinic Alkali Feldspar Using X-Ray Diffraction part of Mineralogy:Activities
This activity involves using XRD to determine the chemical composition, state of order, molar volume, and density of a monoclinic alkali feldspar.

Phase Fun With Feldspars: Simple Experiments to Change Chemical Composition, State of Order, and Crystal System part of Mineralogy:Activities
Students will use X-ray diffraction to determine the composition of an "unknown" feldspar and then perform experiments to change the phase and composition of the feldspar.