Ключевые слова: amethyst, background, blue, bright, closeup, colorful, crystal, crystals, decorative, detail, fuchsia, gem, gemstone, gemstones, geologic, geological, geology, glass, jewelery, lavender, lilac, mineral, mineralogy, natural, nature, purple, quartz, raw, rock, rough, science, semiprecious, stone, structure, translucent, transparent, violet,