Microscopy

LYC_4548 R006 Singapore Little Guilin Bukit Gombak leucogranite dyke geology petrographic thin section microscopy optical mineralogy anomalous interference colour XPL

petrographypetrographic thin sectiongeologyrockoptical mineralogymineralmicroscopyphotomicrographmicrographpolarized lightxplcross polarized lightcrossed polarizersbirefringencebirefringentanisotropicanisotropyberlin blueanomalous interference colour