ROCK, ORE, MINERAL, CRYSTAL? Sandstone is a sedimentary rock. Sedimentary rock is a type rock of that is deposited by water or air. Sandstone is a crystal. The shape of the sandstone depends on the composition. USES Sandstone is mostly used for buildings. It is also used for countertops, tiles, concrete, play sand, glass filing, polishing metal and sandblasting. COMPOSITION Sandstone is mostly composed with sand. It is also composed with quartz or feldspar. DESCRIPTION Sandstone is a sedimentary rock. Sandstone can change into different colours like brown, yellow, red, grey, pink, and white. Sandstone is mostly red. Sandstone can resist weathering but is easy to work with. Sandstone found in Northwest England is found less resistant than other sandstones. Sandstone is found in small sea areas it is also found in deserts or dry places. The sandstone is usually found small. The scale bar is 1.0mm.