Smartphone placed on dark marble surface with white veining patterns

Smartphone specimen positioned on dark marble substrate displaying white linear veining. Device features blue-tinted housing with black frame, off-state display screen. Marble surface exhibits characteristic polished finish with light-colored vein network throughout mid-tone gray-blue base material. Lighting produces subtle surface reflections. Geometric composition places device upper-right quadrant of frame. Background occupies majority of image area, demonstrating material texture and geological pattern distribution across plane.