Ключевые слова: amethyst, aura, background, black, clear, closeup, cluster, collection, crude, crystal, crystalline, energizing, esoteric, gem, gemology, gemstone, geod, geologic, geological, geology, healing, horizontal, isolated, jewel, jewelry, macro, mineral, mineralization, mineralogy, mining, natur, natural, nature, purity, quartz, rock, semiprecious, sharp, shine, shiny, silica, silicate, sparkle, specimen, stone, texture, translucent, transparent, white,