Piece of a groundstone (basalt?) found in Locus 30, a collection of stones sitting on top of the paved floor in operation WSAC. Elevation 2139.32, 1.25 m from SW baulk, 1.4 m from NW baulk. The groundstone consists of a porous rock and is 22 cm long, 14.5 cm wide at its widest point, and has been broken at one end.
Retouch:
Patination: