Color:  Ferdinand chert is a dark bluish gray fossiliferous chert

Texture:

Luster:

Silica Fabrics / Fossils: Fossiliferous

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Ferdinand chert is associated with the Mansdfield formation, Lead Creek member.  Primary outcroppings are found in Spencer and southern Debois county, Indiana