Microscopy

R007 40x calcite twin interference colour birefringence polarized light petrographic thin section microscopy rock geology mineralogy singapore little guilin bukit gombak

microscopymicroscopetransmitted lightbrightfielddiascopic illuminationxplcross polarized lightcrossed polarizersplane polarized lightcalcitetwinninganisotropicanisotropybirefringencebirefringentinterference colouroptical mineralogypetrographic thin sectionpetrographypetrologygeologyrockmineralsingaporebukit gombaklittle guilin