Ключевые слова: abstract, amethyst, ancient, artifact, background, beautiful, beauty, bright, color, colorful, crystal, decoration, design, diamond, gem, gemology, gemstone, geode, geological, geology, healing, isolated, jewel, jeweler, jewelry, macro, mine, mineral, mineralogy, natural, nature, pattern, precious, purple, quartz, raw, rock, rough, semiprecious, shiny, sparkle, specimen, stone, structure, texture, translucent, transparent, uncut, violet, white,