2: Using the Petrographic Microscope Last updated Jun 1, 2020 Save as PDF 1.3: Why is Petrology Useful? 2.1: Introduction Page ID11093 Elizabeth Johnson and Juhong Christie LiuJames Madison University via Virtual Library of Virginia ( \newcommand{\kernel}{\mathrm{null}\,}\) 2.1: Introduction2.2: Thin Sections2.3: Light and Optics2.4: Parts of the Petrographic Microscope2.5: Common Issues Using a Petrographic Microscope2.6: Properties Under Plane Polarized Light2.7: Properties Under Cross Polarized Light2.8: Interference Figures2.9: Atlas of Minerals in Thin Section