Scientific testing of turquoise by XRF analyses can be a bit dense for the lay person. Neil Ray unwinds the complexity in this report. Interpreting a P3M Turquoise Report and Frequently asked Questions Neil Ray, West Texas Analytical Laboratory P3M is software that was developed over the course of 10 years of research in geochemistry of various rock types. The software calculates mineralogy based on whole rock composition; analogous to the CIPW norm used in igneous rocks. An