Ключевые слова: abstract, background, banded, chalcedony, closeup, color, colorful, crystal, cut, decoration, decorative, details, finished, foursquare, gem, gemstone, geological, geology, hard, jasper, jewelry, material, mineral, natural, nature, no people, nobody, opaque, patterned, picturesque, pink, polished, quadrate, quadratic, quartz, red, rock, semiprecious, silica, smooth, solid, spotted, square, stone, striped, surface, terracotta, texture,