Ключевые слова: abstract, agate, background, banded, beauty, blue, bright, carnelian, chalcedony, clear, cleft, crystal, decorative, gem, gemstone, glossy, jewel, jewelry, macro, material, miner, mineral, mining, nature, onyx, pattern, precious, rock, semiprecious, semiprecious stone, shiny, slice, stone, structure, texture, textured, transparent,