when photographs are taken through a light microscope it's called photomicrography. just incase you were wondering what quartz, phenyl threonine, and urea look like magnified, above are some examples pulled from the yearly competition that nikon hosts for the best photomicrographs. take a peek at the winners dating all the way back to 1977 right here.
[top to bottom: bob turner, the scripps research institute, la jolla, california. quartz sample (20x). margaret n. oechsli. jewish hospital, heart & lung institute, louisville, kentucky. phenyl threonine (20x). jerry a. gleason, institute of neuroscience, university of oregon, eugene. urea crystals (100x).]