Hummelstown brownstone
Hummelstown brownstone is a medium-grain, dense sandstone quarried near Hummelstown in Dauphin County, Pennsylvania, USA. It is a dark brownstone with reddish to purplish hues, and was once widely used as a building stone in the United States. == History == The Hummelstown Brownstone Company quarried high quality brownstone near Hummelstown from 1863 to 1929 and sold it across the U.S. as a preferred masonry material of builders.