Rootbeer Chert
 Edwards Chert variation










Natural Form:



Description of Physical Characteristics:

Color:  Rootbeer Chert ranges from a medium to dark brown or grayish brown and may range from homogenous to having swirls or streaking.
Texture:  Fine grain

Luster:  Waxy to vitreous

Translucency: Opaque to slightly translucent on thin edges

Silica Fabrics / Fossils:   
Patina:

Heat Treatment: 

Knapping:  

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Rootbeer Chert is associated with the Edwards Limestone Formation of southern Texas most commonly occurring in Kimble and Kerr counties and decreasing in frequency in the adjacent counties as far east as Comal County and north to the Callahan Divide south of Abilene, Texas.
Projectile point made from this material:




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References: (See Reference Page, Entry Number):

Similar Material:
Commonly made projectile point from this material:
Archaeological Context:

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