, crystallography, ceramics, and materials science with a speciality in applications of X-ray diffraction analysis. During his teaching career in mineralogy, he taught gem cutting... diffraction: Practical Guide to the Preparation of Specimens for X-ray Fluorescence and X-ray Diffraction Analysis. by Victor E. Buhrke, Ron Jenkins, and Deane K. Smith, and Industrial Applications of X-ray Diffraction by Frank H. Chung and Deane K. Smith ... along with many other courses. It is the combination of the gem cutting experience and the experimental X-ray diffraction that led to the success of The Gem Dugout as the principal...