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The course covers how to use the optical indicatrix and its properties to identify minerals, including the orientation of mineral grains under thin section. Special lenses like the upper swing-in condensing lens and the Bertrand lens are used to determine the optical indicatrix orientation. Understanding the optical indicatrix allows for the determination of optic axis, optic angle, optic sign, and interference figures of minerals for identification purposes. The teaching method includes explanations, demonstrations, and a summary of diagnostic properties. The course is intended for students and professionals in geology, mineralogy, or related fields who want to enhance their mineral identification skills using optical mineralogy techniques.
