Pōhaku (stone)

Summary: 
Pōhaku was used for different purposes including; sport, a part of fishing apparatus, general tool for carving, sanding, sharpening, polishing, filing, as part of religious purposes, use for daily life work and weapons.
Description: 

Rock. Length: 2 7/8 inches, Width (at widest point): 1 5/8 inches, Thickness (at widest point): 1/8 inches, Color: Yellowy Brown with blackish streaks, Weight: 4.2 oz. The stone is a "L" shaped. Item looks like a petrified wood.