The part of the boulder over ground is partly polished, however not lost it rougheness completely. With respect to a ground-surface, the boulder has especially steep sides and a flat top. Boulder's size (part over the land): height - 2 m, length - 4.35 m, width - 3.89 meters. The maximum horizontal volume is 13.8 meters. Boulder's forming rocks are blackish brown granite with Biotite, also called rapakivi. In 1964, this boulder was established as a geological natural monument.