Cal-Azur Blue Chalcedony









Natural Form:



Description of Physical Characteristics:

Color:  Cal-Azur Blue Chalcedony has a red rhyolite cortex with a blue chalcedony interior.

Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Cal-Azur Blue Chalcedony primarily occurs as nodules or "thunder eggs" in the Lead Pipe Springs region of San Bernardino County, California.
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: