Ключевые слова: caustic soda, chemical, chemistry, close up, closeup, colorful, crystal, detail, exploration, full frame, growth, light, lye, macro, magnification, microcrystal, micrograph, micrography, microscopic, microscopy, naoh, polarised, polarized, polarized light, refraction, research, scholarship, science, soda lye, sodium hydroxide, thin, translucent,