Physical description

Stone grinding/sharpening tool with 'bump' which could be used as a handle. Evidence of wear due to sharpening on both sides of the stone.
The rock is calcite cemented quartz sandstone; it is sedimentary quartzite with a granular appearance. It has a soft matrix, and is pale, indicating its calcite nature, as well as dissolved pits.
Its origin is from dry land soils and dunes.