Ключевые слова: agate, amethyst, background, bright, colorful, conglomerate, crystal, crystals, detail, druse, edgy, faceted, fossil, gem, gemstone, geode, geologist, geology, jewel, magenta, mineral, mineralogy, natural, nature, pattern, pink, precious, purple, quartz, rock, semiprecious, shiny, sparkle, stone, structure, texture, translucent, transparent, vibrant, violet,