Color:  Harrison Chert mottled or vegetated ranging in color from a white to an off white or light gray with dursy inclusions.

Texture: Medium to fine grain

Luster:

Silica Fabrics / Fossils:

Patina: Light tan to brown

Heat Treatment:  Heat treatment produces a light pink or light red color.

Knapping: 

 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Harrison Chert is associated with the Harrison and Maxville member of the Pottsville group.  Primary outcroppings are located in along the west of Killbuck Creek, Coshocton County, Ohio.  Also found in Scioto and Vinton counties, Ohio.