Microscopy

7339 R006 4x Singapore Little Guilin Bukit Gombak leucogranite dyke petrographic thin section micrograph geology XPL quartz

microscopypetrographic thin sectiongeologymicrographphotomicrographphotomicrographyrockpolarized lightsingaporequartzleucogranitebukit gombaklittle guilindykecross polarized lightxplbirefringenceanisotropicanisotropyinterference colour