Ключевые слова: abstract, agate, agate slice, black background, cameos, carnelian, color, colorful, colors, crystal, crystalline, crystals, cutout, druse, form, gem, gems, jewelery, light, material, mineral, minerals, onyx, optional, pattern, perusal, polarization, polarized isolated, precious stones, shape, stone, structure, translucent, transparency, transparent,