detailed close-up of iridescent abalone shell with polished smooth texture for nature and ocean-themed

abalone shell iridescent closeup polished smooth texture metallic vibrant colors nature ocean detailed surface reflection intricate design light sheen pattern marine underwater seashell colorful abstract natural organic artwork radiant decorative shimmer glossy background aquatic brilliance pearlescent gloss lustrous oceanic rainbow bright exotic majesty reflect micro capture shine artistic kaleidoscopic spectrum coastal ai generated