Ключевые слова: amethyst, background, beautiful, beauty, black, charm, closeup, color, colorful, crystal, decoration, detail, drawing, druze, engineering, gem, geological, geology, healing, ice, iceberg, isolated, jewel, jewelry, lump, luster, macro, magic, mineral, mineralogy, mining, natural, nature, pebble, pink, purple, quartz, rare stone, raw, rock, rough, science, semiprecious, stone, structural, structure, texture, transparent,