Ключевые слова: amethyst, birthstone, clear, closeup, color, colorless, crystal, detail, energize, gem, gemology, gemstone, geologic, geological, geology, heal, healing, health, heartstone, jewel, macro, mineral, natural, precious, quartz, raw, rhinestone, rock, rock crystal, rough, semiprecious, shape, shine, shiny, spiritual, stone, valuable,