Microscopy

gandom beryan meteorite POP porphyritic olivine pyroxene chondrule L3 ordinary chondrite timur kryachko polished thin section microscopy XPL

microscopyoptical mineralogypolarized lightchondrulemeteoritegandom beryantimur kryachkol3 chondriteordinary chondriteastrogeologyrockmineralgeologypolished thin sectionpetrographybirefringencebirefringentanisotropicanisotropyinterference colourXPLcross polarized lightpop chondruleporphyritic olivine pyroxene