Ключевые слова: amethyst, aura, background, beautiful, black, blue, closeup, cluster, colorful, crystal, detail, gem, gemstone, geology, healing, jewel, jewelry, light, luster, macro, magnification, mineral, mineralogy, nature, pattern, precious, purple, quartz, rainbow, reflection, rock, rough, science, shine, shiny, stone, surface, texture, violet, white,