Ключевые слова: background, black, black background, caf2, calcium, calcium fluoride, close up, cluster, color, colorful, crystal, crystalline, crystals, cube, cubic, cubic crystals, fluoride, fluorite, fluorspar, flux, front view, gem, geology, halite, halite mineral, isolated, macro, mineral, mineralogy, minerals, native, natural, photo, pink, precious, purple, rough, stone, structural, translucent, transparent, violet,