auramine
auramine o
cells
close up
closeup
countryside
crystal
detail
diarylmethane
dye
exploration
fluorescent
full frame
green
illuminated
light
macro
magnification
microcrystal
micrograph
micrography
microscopic
microscopy
mineral
nature
polarised
polarized
research
scholarship
science
spiky
stain
thin
translucent
yellow