Nehawka Chert
 AKA: Rice Grain Chert, Protozoa Agate, Weeping Water Chert










Natural Form:



Description of Physical Characteristics:

Color:  Nehawka Chert ranges from grayish blue to blue or light to medium gray with oolitic white specks

Texture: Medium to fine grain

Luster: Dull to earth

Translucency:  Opaque

Silica Fabrics / Fossils: Fossiliferous

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:

Nehawka Chert is associated with the Pennsylvanian Limestone Formation,  Nodules are found embeded in the subsurface of the Pennsylvanian Formation limestone of east-central Nebraska and into southwestern Iowa.

 

Projectile point made from this material:




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References: (See Reference Page, Entry Number):

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Commonly made projectile point from this material:


Archaeological Context: