Ключевые слова: aquamarine, background, beautiful, blue, brilliant, crystal, crystalline, crystals, decorative, diamond, emerald, gem, gemmology, gemology, gems, gemstone, geological, geology, green, healing, isolated, jade, jewel, jewelry, macro, mine, mineral, mineralogy, minerals, natural, nature, precious, quartz, raw, rock, rough, sapphire, shiny, specimen, stone, stones, structure, surface, texture, tourmaline, translucent, transparent, treasure, uncut, white,