abstract
backdrop
chemical
citric acid
close up
closeup
colorful
countryside
crystal
crystal structure
crystalline
detail
facet
facing
illuminated
light
macro
magnification
micro crystal
microcrystal
microscopic
mineral
multicolored
nature
pattern
polarised light
polarized light
prismatic
refraction
scholarship
science
sodium citrate
structure
translucent
transmitted light
trisodium citrate