polished agate geode cross-section with earthy bands, glossy interior on black background

geode agate polished stone concentric bands earthy tones brown orange white layers rough texture exterior glossy interior contrast geological formation natural patterning aigenerated clip art cross-section black background stunning reveals mesmerizing browns warm oranges crisp whites specimen#39aph39#s contrasts beautifully raw textured showcasing nature#39aph39#s artistry mineral formation ai-generated