![Petrographic thin section in cross polarized light and with gypsum plate inserted (a very thinly sliced rock under a microscope) : r/interestingasfuck Petrographic thin section in cross polarized light and with gypsum plate inserted (a very thinly sliced rock under a microscope) : r/interestingasfuck](https://preview.redd.it/mjyen6n5b9i51.jpg?auto=webp&s=3cb342095e9ce38bc2d05885e7fbe5f1b7a1f7eb)
Petrographic thin section in cross polarized light and with gypsum plate inserted (a very thinly sliced rock under a microscope) : r/interestingasfuck
![Muscovite, Photographed in Cross Polarized Light Stock Image - Image of light, anisotropic: 80655937 Muscovite, Photographed in Cross Polarized Light Stock Image - Image of light, anisotropic: 80655937](https://thumbs.dreamstime.com/z/muscovite-photographed-cross-polarized-light-mica-mineral-colors-due-to-birefringence-80655937.jpg)
Muscovite, Photographed in Cross Polarized Light Stock Image - Image of light, anisotropic: 80655937
![Plate P3. Photomicrographs illustrating mineral and lithic grains from sands/sandstones at Site 1177, Leg 190, Shikoku Basin turbidite facies Nankai Trough trench fill. 1. Quartzose sandstone with quartz, plagioclase and quartzose sedimentary Plate P3. Photomicrographs illustrating mineral and lithic grains from sands/sandstones at Site 1177, Leg 190, Shikoku Basin turbidite facies Nankai Trough trench fill. 1. Quartzose sandstone with quartz, plagioclase and quartzose sedimentary](http://www-odp.tamu.edu/publications/190196SR/205/images/05_p03.jpg)
Plate P3. Photomicrographs illustrating mineral and lithic grains from sands/sandstones at Site 1177, Leg 190, Shikoku Basin turbidite facies Nankai Trough trench fill. 1. Quartzose sandstone with quartz, plagioclase and quartzose sedimentary
![Optical Mineralogy Pt.1- Plane & Cross Polarized Light, Birefringence, Pleochroism, etc. | GEO GIRL - YouTube Optical Mineralogy Pt.1- Plane & Cross Polarized Light, Birefringence, Pleochroism, etc. | GEO GIRL - YouTube](https://i.ytimg.com/vi/rTI6KypQTJk/sddefault.jpg)