Ключевые слова: aquamarine, background, beauty, beryl, blue, brilliant, crystal, cyclosilicate, emerald, feldspar, gemstone, geology, green, isolated, jewelry, macro, materials, mineral, mineralogy, natural, nature, optics, orange, ore, precious, quartz, raw, red, rock, rough, russia, sample, science, silicate, stone, translucent, transparent, urals, white,