Mosca Chert










Natural Form:



Description of Physical Characteristics:

Color:  Mosca Chert is mottled and ranges in color from shades of pink to burgundy, yellow to brown, and white.

Texture:  Fine grain

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 
 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
 Mosca Chert is associated with the Leadville Limestone Formation of Upper Rio Grande Basin.  Primary outcroppings occur in high altitudes near Pagosa Springs, Colorado, the headwaters of Piedra River, a tributary of San Juan River.
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: