Ключевые слова: amethyst, black background, gem, gems, gemstone, gemstones, geode, isolated, isolation, jewel, jewels, ornamental, precious stone, precious stones, purple, quartz, reflected, reflecting, reflection, reflections, rock, rock formation, rock formations, rocks, sculpture, semi precious stone, semi precious stones, semiprecious stone, semiprecious stones, stone, stones, stonework, violet,