Color:  Rooney Chert ranges from white to a light whitish gray.

Texture:

Luster:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution Comments:

Rooney Chert is associated with the Rooney Chert Member of the Madison Limestone Formation of northwestern Montana.  Primary outcroppings on the high peak of Lone Butte, Montana