Gilson Gulch Opalescent











Natural Form:



Description of Physical Characteristics:

Color:  Gilson Gulch Opalescent is blue and yellow

Texture:
Fine grain

Luster: Vitreous

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Gilson Gulch Opalescent has primary outcroppings near Idaho Springs, Clear Creek County, Colorado.
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: