Gunnison River Chalcedony / Jasper










Natural Form:



Description of Physical Characteristics:

Color:  Gunnison River Chalcedony is a light blue.

Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Gunnison River Chalcedony / Jasper primarily occurs above Black Canyon, Gunnison County, Colorado.  Jasper occurs as nodules in the Dakota Formation sandstone and chalcedony occurs in the rhyolite.
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: