Measurement of crystallographic orientation of quartz crystal using Raman spectroscopy: application to entrapped inclusions

Abstract Raman spectroscopy has been widely used in mineralogy and petrology for identifying mineral phases. Some recent applications of involve measuring the residual pressure inclusions, such as quartz inclusions garnet host, to recover entrapment condition during metamorphism. The crystallographic orientations entrapped host are important know modelling their elastic interaction. However, analysis tiny using EBSD technique requires time consuming polishing. can be measured polarized spectroscopy, intensities bands depend on mutual orientation between polarization direction laser crystal. In this study, polarizability tensor is first obtained fit arbitrary grains. We have implemented two rotation methods: (1) sample method, where rotated a stage, (2) polarizer directions incident scattered signal parallel circular polarizer. precision systematically studied shown ca. 0.25 degrees wafers plates that cut along known orientations. It (ca. 2–5 μm) precisely determined yield consistent results with EBSD.