Found today in a creek in Indiana, has a geode look and the broken edge shows red opaque facades.
Your rock appears to be quartz var. chalcedony (jasper) with the interior being quartz pseudomorph after another mineral probably calcite or aragonite. I've seen a number of quartz pseudomorph after calcite from Indiana over the years but I do not have a good reference for Indiana pseudomorphs.
Gary's answer is valid but I might suggest that Cinnabar is also a possibility. To give a definitive opinion we really need to know how hard the material is.