This rock encountered by NASA's Curiosity Mars rover is an iron meteorite called 'Lebanon,' similar in shape and luster to iron meteorites found on Mars by the previous generation of rovers, Spirit and Opportunity.
Martian Rock 'Harrison' in Color, Showing Crystals
This view of a Martian rock target called /Harrison' merges images from two cameras onboard NASA's Curiosity Mars rover to provide both color and microscopic detail. The elongated crystals are likely feldspars, and the matrix is pyroxene-dominated.
The Chemistry and Camera (ChemCam) instrument on NASA's Mars rover Curiosity was used to check the composition of gray tailings from the hole in rock target 'Cumberland' that the rover drilled on May 19, 2013.
A day after NASA's Mars rover Curiosity drilled the first sample-collection hole into a rock on Mars, the rover's Chemistry and Camera (ChemCam) instrument shot laser pulses into the fresh rock powder that the drilling generated.