A large piece of chalcedony, with round and redish brown spots on it, is displayed against black background. The stone has intricate patterns and textures that give off an exotic feel. It’s placed on the right side of the picture. There should be no other objects in front or behind the object. The focus is sharp and clear, highlighting every detail of texture and color of rock surface. This photo was taken using Canon EOS R5 camera with RF 2470mm f/8 lens at F3.6 aperture setting to capture intricate details.