Koʻa (coral)

Summary: 
Koʻa was used for different purposes including fishing, tool building, and to make implements.
Description: 

Coral. Weight: 1 lb. 4.4 oz., Height: 6 3/4 inches, Color: White. This rock looks like is from coral. There are many small holes all over the rock. The bottom is flat so that it can stand.