Coso Hot Springs Obsidian
 AKA: Joshua, Sugarloaf, West Sugarloaf Mountain, West Cactus Peak Obsidian











Natural Form:



Description of Physical Characteristics:

Color: Coso Hot Springs Obsidian is black.
Texture:

Luster:

Translucency:

Silica Fabrics / Fossils:

Patina:

Heat Treatment: 

Knapping: 

 

 

 

 

 

 

 

 

 

 

  

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Distribution:
Distribution Comments:
Coso Hot Springs Obsidian is associated with the Coso Volcanic Field and occurs as nodules in the southwest region of the Coso Mountains with 5 lenses occurring halfway up Sugarloaf Mountain, Inyo County, California.  Occurs near Coso Hot Springs, Joshua, West Sugarloaf Mountain, West Cactus Peak in Inyo County, California.  Joshua Ridge, Sugarloaf Mountain, West Cactus Peak, and West Sugarloaf are all different geochemical groups.
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:
Prehistoric quarries are found over a large area.