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    Petrographic microscope - Wikipedia

    • A petrographic microscope is a type of optical microscope used to identify rocks and minerals in thin sections. The microscope is used in optical mineralogy and petrography, a branch of petrology which focuses on detailed descriptions of rocks. The method includes aspects of polarized light microscopy (PLM).展开

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    Depending on the grade of observation required, petrographic microscopes are derived from conventional
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