Color:  West Franklin Chert ranges from a light gray to light bluish gray.  Commonly mottled with blue and with light brown streaks and chalky vugs.

Texture:  Course to fine grain

Luster: Waxy

Silica Fabrics / Fossils: Fusilinids

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

West Franklin Chert has primary outcroppings in southwestern Vanderburgh County and is found as cobble in creek beds west of Evansville, Indiana and in southwestern Posey County, Indiana.