Petrographic Microscope

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).

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Source: Wikipedia · Image: Wikimedia Commons · CC BY-SA 3.0

ROCKHOUNDRY

Read the stone — minerals, crystals, and the rockhound's field craft.

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