In-situ image of the meteorite 'Block Island', on the surface of Mars

Image of the Martian landscape with a large rock in the foreground
Image of "Block Island", an odd-shaped, dark rock on the surface of Mars, which is thought to be a meteorite. This object was imaged with the navigation camera on NASA’s Mars Exploration Rover Opportunity on sol 1959 (July 28, 2009).
NASA / JPL-Caltech