Ключевые слова: ancient, colorful, concentric, decorative, detailed, earthy, formation, fossil, fossil wood, fossilized, gemstone, geological, intricate, layers, mineral, natural, natural history, nature, petrified wood, polished, prehistoric, preserved, rock, sedimentary, striking, swirling designs, swirling patterns, unique, vibrant hues, vibrant texture, vivid, wood grain, wood texture,