Fragment of a ground tuff object, perhaps originally semilunate or teardrop in shape, rounded on one side and flat with a partial circular depression on the other. Perhaps a handheld mortar? 202.2 g. dark gray tuff with red and white inclusions. Max length: 9.7 cm. 5.8 cm max. Thickness at break: 3 cm. width at break: 5.8 cm. max depression depth: 1.1 cm. Minimum width (at rounded end): 0.7 cm. From the mixed cultural fill locus above the LB bedrock terrace.
Retouch: 0
Patination: 0