Mazatzal: the rock of sugar - Close-up in approximate true colors - Sol 78

Caption NASA originale:"This image was taken by the MER Spirit's PanCam during the Rover's grinding of Mazatzal with its RAT. The picture shows the untouched rock on Sol 78, which is covered in a light-toned coating and red dust particles. This approximate true-color image was created using the PanCam's red, green and blue filters".