Ключевые слова: aquamarine, beryl, birthstone, blue, crystal, crystalline, crystallisation, crystallization, crystallography, crystals, diagenesis, dioxide, formation, gem, gemology, gemstones, geologic, geological, geology, geomorphology, igneous, inorganic, isolated, jewel, jewellery, lapidary, macro, macrocrystalline, march, matrix, metamorphic, mineral, mineralized, mineralogy, natural, petrology, precious, quartz, rare, raw, rock, silica, silicate, silicon, silicon dioxide, starstone, stone, unpolished, vitreous, volcanic,